157901441 has 4 divisors (see below), whose sum is σ = 159803952. Its totient is φ = 155998932.

The previous prime is 157901413. The next prime is 157901453. The reversal of 157901441 is 144109751.

It is a happy number.

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 157901441 - 2⁶ = 157901377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157901398 and 157901407.

It is not an unprimeable number, because it can be changed into a prime (157904441) 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 3 ways as a sum of consecutive naturals, for example, 951131 + ... + 951296.

It is an arithmetic number, because the mean of its divisors is an integer number (39950988).

Almost surely, 2^157901441 is an apocalyptic number.

It is an amenable number.

157901441 is a deficient number, since it is larger than the sum of its proper divisors (1902511).

157901441 is an equidigital number, since it uses as much as digits as its factorization.

157901441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902510.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 157901441 is about 12565.8840118791. The cubic root of 157901441 is about 540.4995845314.

The spelling of 157901441 in words is "one hundred fifty-seven million, nine hundred one thousand, four hundred forty-one".