151261980 has 48 divisors (see below), whose sum is σ = 432552960. Its totient is φ = 39477568.

The previous prime is 151261967. The next prime is 151261987. The reversal of 151261980 is 89162151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151261987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24000 + ... + 29639.

It is an arithmetic number, because the mean of its divisors is an integer number (9011520).

Almost surely, 2^151261980 is an apocalyptic number.

151261980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151261980 is an abundant number, since it is smaller than the sum of its proper divisors (281290980).

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

151261980 is a wasteful number, since it uses less digits than its factorization.

151261980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53698 (or 53696 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 151261980 is about 12298.8609228660. The cubic root of 151261980 is about 532.8151851357.

The spelling of 151261980 in words is "one hundred fifty-one million, two hundred sixty-one thousand, nine hundred eighty".