245177390148 has 24 divisors (see below), whose sum is σ = 573729233952. Its totient is φ = 81490274304.

The previous prime is 245177390147. The next prime is 245177390189. The reversal of 245177390148 is 841093771542.

It is a super-2 number, since 2×245177390148² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245177390148.

It is not an unprimeable number, because it can be changed into a prime (245177390147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29435965 + ... + 29444292.

It is an arithmetic number, because the mean of its divisors is an integer number (23905384748).

Almost surely, 2^245177390148 is an apocalyptic number.

It is an amenable number.

245177390148 is an abundant number, since it is smaller than the sum of its proper divisors (328551843804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245177390148 is a wasteful number, since it uses less digits than its factorization.

245177390148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58880611 (or 58880609 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 245177390148 in words is "two hundred forty-five billion, one hundred seventy-seven million, three hundred ninety thousand, one hundred forty-eight".