151051556 has 6 divisors (see below), whose sum is σ = 264340230. Its totient is φ = 75525776.

The previous prime is 151051553. The next prime is 151051573. The reversal of 151051556 is 655150151.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 149572900 + 1478656 = 12230^2 + 1216^2 .

It is a super-2 number, since 2×151051556² = 45633145140042272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151051553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18881441 + ... + 18881448.

It is an arithmetic number, because the mean of its divisors is an integer number (44056705).

Almost surely, 2^151051556 is an apocalyptic number.

It is an amenable number.

151051556 is a deficient number, since it is larger than the sum of its proper divisors (113288674).

151051556 is a wasteful number, since it uses less digits than its factorization.

151051556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37762893 (or 37762891 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 151051556 is about 12290.3033323023. The cubic root of 151051556 is about 532.5680000151.

It can be divided in two parts, 15105 and 1556, that added together give a palindrome (16661).

The spelling of 151051556 in words is "one hundred fifty-one million, fifty-one thousand, five hundred fifty-six".