157154081 has 16 divisors (see below), whose sum is σ = 182457600. Its totient is φ = 132580800.

The previous prime is 157154077. The next prime is 157154093. The reversal of 157154081 is 180451751.

It is a cyclic number.

It is not a de Polignac number, because 157154081 - 2² = 157154077 is a prime.

It is a super-2 number, since 2×157154081² = 49394810349909122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157154051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140135 + ... + 141251.

It is an arithmetic number, because the mean of its divisors is an integer number (11403600).

Almost surely, 2^157154081 is an apocalyptic number.

It is an amenable number.

157154081 is a deficient number, since it is larger than the sum of its proper divisors (25303519).

157154081 is a wasteful number, since it uses less digits than its factorization.

157154081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 157154081 is about 12536.1110795972. Note that the first 3 decimals coincide. The cubic root of 157154081 is about 539.6454931995.

The spelling of 157154081 in words is "one hundred fifty-seven million, one hundred fifty-four thousand, eighty-one".