151977474 has 48 divisors (see below), whose sum is σ = 365137344. Its totient is φ = 45295200.

The previous prime is 151977473. The next prime is 151977479. The reversal of 151977474 is 474779151.

It is not an unprimeable number, because it can be changed into a prime (151977473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5787 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (7607028).

Almost surely, 2^151977474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151977474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182568672).

151977474 is an abundant number, since it is smaller than the sum of its proper divisors (213159870).

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

151977474 is a wasteful number, since it uses less digits than its factorization.

151977474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12663 (or 12660 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 151977474 is about 12327.9144221559. The cubic root of 151977474 is about 533.6539651018.

The spelling of 151977474 in words is "one hundred fifty-one million, nine hundred seventy-seven thousand, four hundred seventy-four".