157450285 has 4 divisors (see below), whose sum is σ = 188940348. Its totient is φ = 125960224.

The previous prime is 157450261. The next prime is 157450301. The reversal of 157450285 is 582054751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111386916 + 46063369 = 10554^2 + 6787^2 .

It is a cyclic number.

It is not a de Polignac number, because 157450285 - 2²³ = 149061677 is a prime.

It is a Duffinian number.

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, 15745024 + ... + 15745033.

It is an arithmetic number, because the mean of its divisors is an integer number (47235087).

Almost surely, 2^157450285 is an apocalyptic number.

It is an amenable number.

157450285 is a deficient number, since it is larger than the sum of its proper divisors (31490063).

157450285 is an equidigital number, since it uses as much as digits as its factorization.

157450285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31490062.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 157450285 is about 12547.9195486742. The cubic root of 157450285 is about 539.9843216756.

The spelling of 157450285 in words is "one hundred fifty-seven million, four hundred fifty thousand, two hundred eighty-five".