145555292 has 48 divisors (see below), whose sum is σ = 288126720. Its totient is φ = 63974400.

The previous prime is 145555283. The next prime is 145555303. The reversal of 145555292 is 292555541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59942 + ... + 62322.

It is an arithmetic number, because the mean of its divisors is an integer number (6002640).

Almost surely, 2^145555292 is an apocalyptic number.

It is an amenable number.

145555292 is a deficient number, since it is larger than the sum of its proper divisors (142571428).

145555292 is a wasteful number, since it uses less digits than its factorization.

145555292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462 (or 2460 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 145555292 is about 12064.6297912534. The cubic root of 145555292 is about 526.0285709782.

The spelling of 145555292 in words is "one hundred forty-five million, five hundred fifty-five thousand, two hundred ninety-two".