157158754 has 8 divisors (see below), whose sum is σ = 236543580. Its totient is φ = 78310896.

The previous prime is 157158719. The next prime is 157158763. The reversal of 157158754 is 457851751.

It can be written as a sum of positive squares in 2 ways, for example, as 105534529 + 51624225 = 10273^2 + 7185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157158754.

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 3 ways as a sum of consecutive naturals, for example, 133509 + ... + 134680.

Almost surely, 2^157158754 is an apocalyptic number.

157158754 is a deficient number, since it is larger than the sum of its proper divisors (79384826).

157158754 is a wasteful number, since it uses less digits than its factorization.

157158754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268484.

The product of its digits is 196000, while the sum is 43.

The square root of 157158754 is about 12536.2974597766. The cubic root of 157158754 is about 539.6508419595.

The spelling of 157158754 in words is "one hundred fifty-seven million, one hundred fifty-eight thousand, seven hundred fifty-four".