151973481 has 16 divisors (see below), whose sum is σ = 226195200. Its totient is φ = 89962320.

The previous prime is 151973477. The next prime is 151973519. The reversal of 151973481 is 184379151.

It is not a de Polignac number, because 151973481 - 2² = 151973477 is a prime.

It is a super-2 number, since 2×151973481² = 46191877854514722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151973401) 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, 52131 + ... + 54968.

It is an arithmetic number, because the mean of its divisors is an integer number (14137200).

Almost surely, 2^151973481 is an apocalyptic number.

151973481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151973481 is a deficient number, since it is larger than the sum of its proper divisors (74221719).

151973481 is a wasteful number, since it uses less digits than its factorization.

151973481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107156.

The product of its digits is 30240, while the sum is 39.

The square root of 151973481 is about 12327.7524715578. The cubic root of 151973481 is about 533.6492913852.

The spelling of 151973481 in words is "one hundred fifty-one million, nine hundred seventy-three thousand, four hundred eighty-one".