157423201 has 8 divisors (see below), whose sum is σ = 176904000. Its totient is φ = 138995472.

The previous prime is 157423169. The next prime is 157423207. The reversal of 157423201 is 102324751.

It is a happy number.

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 157423201 - 2⁵ = 157423169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157423207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262951 + ... + 263548.

It is an arithmetic number, because the mean of its divisors is an integer number (22113000).

Almost surely, 2^157423201 is an apocalyptic number.

It is an amenable number.

157423201 is a deficient number, since it is larger than the sum of its proper divisors (19480799).

157423201 is a wasteful number, since it uses less digits than its factorization.

157423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526535.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 157423201 is about 12546.8402795285. The cubic root of 157423201 is about 539.9533578827.

Adding to 157423201 its reverse (102324751), we get a palindrome (259747952).

The spelling of 157423201 in words is "one hundred fifty-seven million, four hundred twenty-three thousand, two hundred one".