157225426 has 8 divisors (see below), whose sum is σ = 239704524. Its totient is φ = 77323920.

The previous prime is 157225417. The next prime is 157225427. The reversal of 157225426 is 624522751.

157225426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156125025 + 1100401 = 12495^2 + 1049^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 157225391 and 157225400.

It is not an unprimeable number, because it can be changed into a prime (157225427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644245 + ... + 644488.

Almost surely, 2^157225426 is an apocalyptic number.

157225426 is a deficient number, since it is larger than the sum of its proper divisors (82479098).

157225426 is a wasteful number, since it uses less digits than its factorization.

157225426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288796.

The product of its digits is 33600, while the sum is 34.

The square root of 157225426 is about 12538.9563361549. The cubic root of 157225426 is about 539.7271438163.

The spelling of 157225426 in words is "one hundred fifty-seven million, two hundred twenty-five thousand, four hundred twenty-six".