151226072424 has 72 divisors (see below), whose sum is σ = 476439295410. Its totient is φ = 43207448256.

The previous prime is 151226072341. The next prime is 151226072461. The reversal of 151226072424 is 424270622151.

151226072424 is a `hidden beast` number, since 1 + 5 + 1 + 2 + 2 + 607 + 2 + 42 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111910320900 + 39315751524 = 334530^2 + 198282^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21428739 + ... + 21435794.

Almost surely, 2^151226072424 is an apocalyptic number.

151226072424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

151226072424 is an abundant number, since it is smaller than the sum of its proper divisors (325213222986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151226072424 is a wasteful number, since it uses less digits than its factorization.

151226072424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42864559 (or 42864545 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

Adding to 151226072424 its reverse (424270622151), we get a palindrome (575496694575).

The spelling of 151226072424 in words is "one hundred fifty-one billion, two hundred twenty-six million, seventy-two thousand, four hundred twenty-four".