157306601 has 8 divisors (see below), whose sum is σ = 158915400. Its totient is φ = 155705472.

The previous prime is 157306579. The next prime is 157306607. The reversal of 157306601 is 106603751.

It can be written as a sum of positive squares in 4 ways, for example, as 4141225 + 153165376 = 2035^2 + 12376^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 157306601 - 2⁶ = 157306537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157306607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44951 + ... + 48323.

It is an arithmetic number, because the mean of its divisors is an integer number (19864425).

Almost surely, 2^157306601 is an apocalyptic number.

It is an amenable number.

157306601 is a deficient number, since it is larger than the sum of its proper divisors (1608799).

157306601 is a wasteful number, since it uses less digits than its factorization.

157306601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 157306601 is about 12542.1928306018. The cubic root of 157306601 is about 539.8200143189.

The spelling of 157306601 in words is "one hundred fifty-seven million, three hundred six thousand, six hundred one".