157228435 has 64 divisors (see below), whose sum is σ = 244629504. Its totient is φ = 94348800.

The previous prime is 157228411. The next prime is 157228441. The reversal of 157228435 is 534822751.

It is not a de Polignac number, because 157228435 - 2⁷ = 157228307 is a prime.

It is a super-4 number, since 4×157228435⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157228394 and 157228403.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1001377 + ... + 1001533.

It is an arithmetic number, because the mean of its divisors is an integer number (3822336).

Almost surely, 2^157228435 is an apocalyptic number.

157228435 is a deficient number, since it is larger than the sum of its proper divisors (87401069).

157228435 is a wasteful number, since it uses less digits than its factorization.

157228435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its digits is 67200, while the sum is 37.

The square root of 157228435 is about 12539.0763216435. The cubic root of 157228435 is about 539.7305869164.

The spelling of 157228435 in words is "one hundred fifty-seven million, two hundred twenty-eight thousand, four hundred thirty-five".