152472780 has 144 divisors (see below), whose sum is σ = 485241120. Its totient is φ = 40186368.

The previous prime is 152472769. The next prime is 152472781. The reversal of 152472780 is 87274251.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (152472781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665706 + ... + 665934.

It is an arithmetic number, because the mean of its divisors is an integer number (3369730).

Almost surely, 2^152472780 is an apocalyptic number.

152472780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152472780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242620560).

152472780 is an abundant number, since it is smaller than the sum of its proper divisors (332768340).

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

152472780 is a wasteful number, since it uses less digits than its factorization.

152472780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 152472780 is about 12347.9868804595. The cubic root of 152472780 is about 534.2330758833.

The spelling of 152472780 in words is "one hundred fifty-two million, four hundred seventy-two thousand, seven hundred eighty".