155061446 has 16 divisors (see below), whose sum is σ = 242970624. Its totient is φ = 74078664.

The previous prime is 155061443. The next prime is 155061479. The reversal of 155061446 is 644160551.

It is a super-2 number, since 2×155061446² = 48088104071221832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155061443) 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 7 ways as a sum of consecutive naturals, for example, 75485 + ... + 77511.

It is an arithmetic number, because the mean of its divisors is an integer number (15185664).

Almost surely, 2^155061446 is an apocalyptic number.

155061446 is a deficient number, since it is larger than the sum of its proper divisors (87909178).

155061446 is a wasteful number, since it uses less digits than its factorization.

155061446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 155061446 is about 12452.3670842133. The cubic root of 155061446 is about 537.2395086067.

The spelling of 155061446 in words is "one hundred fifty-five million, sixty-one thousand, four hundred forty-six".