156126004 has 6 divisors (see below), whose sum is σ = 273220514. Its totient is φ = 78063000.

The previous prime is 156125993. The next prime is 156126007. The reversal of 156126004 is 400621651.

It can be written as a sum of positive squares in only one way, i.e., 102981904 + 53144100 = 10148^2 + 7290^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156126004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156126007) 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 as a sum of consecutive naturals, namely, 19515747 + ... + 19515754.

Almost surely, 2^156126004 is an apocalyptic number.

It is an amenable number.

156126004 is a deficient number, since it is larger than the sum of its proper divisors (117094510).

156126004 is a wasteful number, since it uses less digits than its factorization.

156126004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39031505 (or 39031503 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 156126004 is about 12495.0391756089. The cubic root of 156126004 is about 538.4661594517.

Adding to 156126004 its reverse (400621651), we get a palindrome (556747655).

The spelling of 156126004 in words is "one hundred fifty-six million, one hundred twenty-six thousand, four".