151604 has 12 divisors (see below), whose sum is σ = 268128. Its totient is φ = 75000.

The previous prime is 151603. The next prime is 151607. The reversal of 151604 is 406151.

It is a happy number.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (22344).

2¹⁵¹⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

151604 is a deficient number, since it is larger than the sum of its proper divisors (116524).

151604 is a wasteful number, since it uses less digits than its factorization.

151604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 151604 is about 389.3635832997. The cubic root of 151604 is about 53.3216467449.

Adding to 151604 its reverse (406151), we get a palindrome (557755).

It can be divided in two parts, 151 and 604, that multiplied together give a square (91204 = 302²).

The spelling of 151604 in words is "one hundred fifty-one thousand, six hundred four".