157428601 has 4 divisors (see below), whose sum is σ = 171740304. Its totient is φ = 143116900.

The previous prime is 157428589. The next prime is 157428611. The reversal of 157428601 is 106824751.

157428601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157428601 - 2¹¹ = 157426553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157428611) 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, 7155835 + ... + 7155856.

It is an arithmetic number, because the mean of its divisors is an integer number (42935076).

Almost surely, 2^157428601 is an apocalyptic number.

157428601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157428601 is a deficient number, since it is larger than the sum of its proper divisors (14311703).

157428601 is a wasteful number, since it uses less digits than its factorization.

157428601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311702.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 157428601 is about 12547.0554713048. The cubic root of 157428601 is about 539.9595317181.

The spelling of 157428601 in words is "one hundred fifty-seven million, four hundred twenty-eight thousand, six hundred one".