157049774 has 16 divisors (see below), whose sum is σ = 285065568. Its totient is φ = 63347712.

The previous prime is 157049747. The next prime is 157049777. The reversal of 157049774 is 477940751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157049777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329699 + ... + 330174.

It is an arithmetic number, because the mean of its divisors is an integer number (17816598).

Almost surely, 2^157049774 is an apocalyptic number.

157049774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157049774 is a deficient number, since it is larger than the sum of its proper divisors (128015794).

157049774 is a wasteful number, since it uses less digits than its factorization.

157049774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659899.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 157049774 is about 12531.9501275739. The cubic root of 157049774 is about 539.5260748128.

The spelling of 157049774 in words is "one hundred fifty-seven million, forty-nine thousand, seven hundred seventy-four".