152421654 has 64 divisors (see below), whose sum is σ = 387878400. Its totient is φ = 39584160.

The previous prime is 152421653. The next prime is 152421671. The reversal of 152421654 is 456124251.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152421653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19272 + ... + 26004.

It is an arithmetic number, because the mean of its divisors is an integer number (6060600).

Almost surely, 2^152421654 is an apocalyptic number.

152421654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 152421654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193939200).

152421654 is an abundant number, since it is smaller than the sum of its proper divisors (235456746).

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

152421654 is a wasteful number, since it uses less digits than its factorization.

152421654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770 (or 6756 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 152421654 is about 12345.9164908888. The cubic root of 152421654 is about 534.1733575658.

The spelling of 152421654 in words is "one hundred fifty-two million, four hundred twenty-one thousand, six hundred fifty-four".