151121450 has 48 divisors (see below), whose sum is σ = 290231424. Its totient is φ = 58512000.

The previous prime is 151121447. The next prime is 151121501. The reversal of 151121450 is 54121151.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251150 + ... + 251750.

It is an arithmetic number, because the mean of its divisors is an integer number (6046488).

Almost surely, 2^151121450 is an apocalyptic number.

151121450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151121450 is a deficient number, since it is larger than the sum of its proper divisors (139109974).

151121450 is a wasteful number, since it uses less digits than its factorization.

151121450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 151121450 is about 12293.1464645956. The cubic root of 151121450 is about 532.6501299602.

The spelling of 151121450 in words is "one hundred fifty-one million, one hundred twenty-one thousand, four hundred fifty".