151051220 has 24 divisors (see below), whose sum is σ = 327441408. Its totient is φ = 58471200.

The previous prime is 151051181. The next prime is 151051223. The reversal of 151051220 is 22150151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151051223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121196 + ... + 122435.

It is an arithmetic number, because the mean of its divisors is an integer number (13643392).

Almost surely, 2^151051220 is an apocalyptic number.

151051220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151051220 is an abundant number, since it is smaller than the sum of its proper divisors (176390188).

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

151051220 is a wasteful number, since it uses less digits than its factorization.

151051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243671 (or 243669 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 151051220 is about 12290.2896629819. The cubic root of 151051220 is about 532.5676051323.

The spelling of 151051220 in words is "one hundred fifty-one million, fifty-one thousand, two hundred twenty".