157146734 has 8 divisors (see below), whose sum is σ = 237022968. Its totient is φ = 78139080.

The previous prime is 157146713. The next prime is 157146751. The reversal of 157146734 is 437641751.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216692 + ... + 217415.

It is an arithmetic number, because the mean of its divisors is an integer number (29627871).

Almost surely, 2^157146734 is an apocalyptic number.

157146734 is a deficient number, since it is larger than the sum of its proper divisors (79876234).

157146734 is a wasteful number, since it uses less digits than its factorization.

157146734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434290.

The product of its digits is 70560, while the sum is 38.

The square root of 157146734 is about 12535.8180427126. The cubic root of 157146734 is about 539.6370835394.

The spelling of 157146734 in words is "one hundred fifty-seven million, one hundred forty-six thousand, seven hundred thirty-four".