157472161441 has 4 divisors (see below), whose sum is σ = 179968184512. Its totient is φ = 134976138372.

The previous prime is 157472161409. The next prime is 157472161489. The reversal of 157472161441 is 144161274751.

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 157472161441 - 2⁵ = 157472161409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157472161141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11248011525 + ... + 11248011538.

It is an arithmetic number, because the mean of its divisors is an integer number (44992046128).

Almost surely, 2^157472161441 is an apocalyptic number.

It is an amenable number.

157472161441 is a deficient number, since it is larger than the sum of its proper divisors (22496023071).

157472161441 is an equidigital number, since it uses as much as digits as its factorization.

157472161441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22496023070.

The product of its digits is 188160, while the sum is 43.

The spelling of 157472161441 in words is "one hundred fifty-seven billion, four hundred seventy-two million, one hundred sixty-one thousand, four hundred forty-one".