157340557 has 8 divisors (see below), whose sum is σ = 172143072. Its totient is φ = 142621200.

The previous prime is 157340543. The next prime is 157340567. The reversal of 157340557 is 755043751.

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 157340557 - 2¹⁵ = 157307789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157340567) 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, 16794 + ... + 24427.

It is an arithmetic number, because the mean of its divisors is an integer number (21517884).

Almost surely, 2^157340557 is an apocalyptic number.

It is an amenable number.

157340557 is a deficient number, since it is larger than the sum of its proper divisors (14802515).

157340557 is a wasteful number, since it uses less digits than its factorization.

157340557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41579.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 157340557 is about 12543.5464283431. The cubic root of 157340557 is about 539.8588531418.

The spelling of 157340557 in words is "one hundred fifty-seven million, three hundred forty thousand, five hundred fifty-seven".