157457201 has 4 divisors (see below), whose sum is σ = 171771504. Its totient is φ = 143142900.

The previous prime is 157457189. The next prime is 157457203. The reversal of 157457201 is 102754751.

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 157457201 - 2¹⁰ = 157456177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157457203) 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 3 ways as a sum of consecutive naturals, for example, 7157135 + ... + 7157156.

It is an arithmetic number, because the mean of its divisors is an integer number (42942876).

Almost surely, 2^157457201 is an apocalyptic number.

157457201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157457201 is a deficient number, since it is larger than the sum of its proper divisors (14314303).

157457201 is a wasteful number, since it uses less digits than its factorization.

157457201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314302.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 157457201 is about 12548.1951291809. The cubic root of 157457201 is about 539.9922278260.

The spelling of 157457201 in words is "one hundred fifty-seven million, four hundred fifty-seven thousand, two hundred one".