152421696 has 112 divisors (see below), whose sum is σ = 512145280. Its totient is φ = 43545600.

The previous prime is 152421673. The next prime is 152421697. The reversal of 152421696 is 696124251.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a self number, because there is not a number n which added to its sum of digits gives 152421696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152421697) 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, 5796 + ... + 18396.

Almost surely, 2^152421696 is an apocalyptic number.

152421696 is a gapful number since it is divisible by the number (16) 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 152421696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256072640).

152421696 is an abundant number, since it is smaller than the sum of its proper divisors (359723584).

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

152421696 is a wasteful number, since it uses less digits than its factorization.

152421696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629 (or 12613 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 152421696 is about 12345.9181918560. The cubic root of 152421696 is about 534.1734066299.

It can be divided in two parts, 1524 and 21696, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 152421696 in words is "one hundred fifty-two million, four hundred twenty-one thousand, six hundred ninety-six".