152920780 has 24 divisors (see below), whose sum is σ = 340024608. Its totient is φ = 57570048.

The previous prime is 152920727. The next prime is 152920811. The reversal of 152920780 is 87029251.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 224544 + ... + 225223.

It is an arithmetic number, because the mean of its divisors is an integer number (14167692).

Almost surely, 2^152920780 is an apocalyptic number.

152920780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152920780 is an abundant number, since it is smaller than the sum of its proper divisors (187103828).

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

152920780 is a wasteful number, since it uses less digits than its factorization.

152920780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449793 (or 449791 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 152920780 is about 12366.1141835259. The cubic root of 152920780 is about 534.7557973628.

The spelling of 152920780 in words is "one hundred fifty-two million, nine hundred twenty thousand, seven hundred eighty".