152402004 has 18 divisors (see below), whose sum is σ = 385238490. Its totient is φ = 50800656.

The previous prime is 152401987. The next prime is 152402011. The reversal of 152402004 is 400204251.

152402004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 82846404 + 69555600 = 9102^2 + 8340^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2116659 + ... + 2116730.

Almost surely, 2^152402004 is an apocalyptic number.

It is an amenable number.

152402004 is an abundant number, since it is smaller than the sum of its proper divisors (232836486).

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

152402004 is a wasteful number, since it uses less digits than its factorization.

152402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233399 (or 4233394 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 152402004 is about 12345.1206555465. The cubic root of 152402004 is about 534.1504016028.

Adding to 152402004 its reverse (400204251), we get a palindrome (552606255).

The spelling of 152402004 in words is "one hundred fifty-two million, four hundred two thousand, four".