157755494 has 16 divisors (see below), whose sum is σ = 261724848. Its totient is φ = 70841952.

The previous prime is 157755469. The next prime is 157755509. The reversal of 157755494 is 494557751.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 81032 + ... + 82955.

It is an arithmetic number, because the mean of its divisors is an integer number (16357803).

Almost surely, 2^157755494 is an apocalyptic number.

157755494 is a deficient number, since it is larger than the sum of its proper divisors (103969354).

157755494 is a wasteful number, since it uses less digits than its factorization.

157755494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164039.

The product of its digits is 882000, while the sum is 47.

The square root of 157755494 is about 12560.0753978629. The cubic root of 157755494 is about 540.3330067622. Note that the first 3 decimals are identical.

The spelling of 157755494 in words is "one hundred fifty-seven million, seven hundred fifty-five thousand, four hundred ninety-four".