152520450 has 48 divisors (see below), whose sum is σ = 379127520. Its totient is φ = 40577920.

The previous prime is 152520449. The next prime is 152520461. The reversal of 152520450 is 54025251.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 152520450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84457 + ... + 86243.

It is an arithmetic number, because the mean of its divisors is an integer number (7898490).

Almost surely, 2^152520450 is an apocalyptic number.

152520450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152520450 is an abundant number, since it is smaller than the sum of its proper divisors (226607070).

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

152520450 is a wasteful number, since it uses less digits than its factorization.

152520450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 152520450 is about 12349.9170037697. The cubic root of 152520450 is about 534.2887453546.

The spelling of 152520450 in words is "one hundred fifty-two million, five hundred twenty thousand, four hundred fifty".