145541492 has 12 divisors (see below), whose sum is σ = 256704000. Its totient is φ = 72197496.

The previous prime is 145541491. The next prime is 145541503. The reversal of 145541492 is 294145541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145541491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142742 + ... + 143757.

It is an arithmetic number, because the mean of its divisors is an integer number (21392000).

Almost surely, 2^145541492 is an apocalyptic number.

It is an amenable number.

145541492 is a deficient number, since it is larger than the sum of its proper divisors (111162508).

145541492 is a wasteful number, since it uses less digits than its factorization.

145541492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286630 (or 286628 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 145541492 is about 12064.0578579514. The cubic root of 145541492 is about 526.0119463136.

The spelling of 145541492 in words is "one hundred forty-five million, five hundred forty-one thousand, four hundred ninety-two".