152140404 has 24 divisors (see below), whose sum is σ = 382301920. Its totient is φ = 46812384.

The previous prime is 152140403. The next prime is 152140453. The reversal of 152140404 is 404041251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152140403) by changing a digit.

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, 487474 + ... + 487785.

Almost surely, 2^152140404 is an apocalyptic number.

It is an amenable number.

152140404 is an abundant number, since it is smaller than the sum of its proper divisors (230161516).

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

152140404 is a wasteful number, since it uses less digits than its factorization.

152140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975279 (or 975277 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 152140404 is about 12334.5208257151. The cubic root of 152140404 is about 533.8446012211.

Adding to 152140404 its reverse (404041251), we get a palindrome (556181655).

The spelling of 152140404 in words is "one hundred fifty-two million, one hundred forty thousand, four hundred four".