145010649 has 24 divisors (see below), whose sum is σ = 227164608. Its totient is φ = 82034400.

The previous prime is 145010627. The next prime is 145010669. The reversal of 145010649 is 946010541.

It is a happy number.

It is not a de Polignac number, because 145010649 - 2⁵ = 145010617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145010669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9964 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (9465192).

Almost surely, 2^145010649 is an apocalyptic number.

It is an amenable number.

145010649 is a deficient number, since it is larger than the sum of its proper divisors (82153959).

145010649 is a wasteful number, since it uses less digits than its factorization.

145010649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885 (or 9878 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 145010649 is about 12042.0367463316. The cubic root of 145010649 is about 525.3716479591.

The spelling of 145010649 in words is "one hundred forty-five million, ten thousand, six hundred forty-nine".