157069347 has 16 divisors (see below), whose sum is σ = 214625280. Its totient is φ = 102128832.

The previous prime is 157069337. The next prime is 157069357. The reversal of 157069347 is 743960751.

It is an interprime number because it is at equal distance from previous prime (157069337) and next prime (157069357).

It is not a de Polignac number, because 157069347 - 2⁴ = 157069331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157069299 and 157069308.

It is not an unprimeable number, because it can be changed into a prime (157069337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42354 + ... + 45912.

It is an arithmetic number, because the mean of its divisors is an integer number (13414080).

Almost surely, 2^157069347 is an apocalyptic number.

157069347 is a deficient number, since it is larger than the sum of its proper divisors (57555933).

157069347 is a wasteful number, since it uses less digits than its factorization.

157069347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 157069347 is about 12532.7310271944. The cubic root of 157069347 is about 539.5484874635.

The spelling of 157069347 in words is "one hundred fifty-seven million, sixty-nine thousand, three hundred forty-seven".