151020404 has 12 divisors (see below), whose sum is σ = 265189764. Its totient is φ = 75251904.

The previous prime is 151020391. The next prime is 151020407. The reversal of 151020404 is 404020151.

It can be written as a sum of positive squares in 2 ways, for example, as 132940900 + 18079504 = 11530^2 + 4252^2 .

It is a super-3 number, since 3×151020404³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151020407) 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, 63257 + ... + 65600.

It is an arithmetic number, because the mean of its divisors is an integer number (22099147).

Almost surely, 2^151020404 is an apocalyptic number.

It is an amenable number.

151020404 is a deficient number, since it is larger than the sum of its proper divisors (114169360).

151020404 is a wasteful number, since it uses less digits than its factorization.

151020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129154 (or 129152 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 151020404 is about 12289.0359263858. The cubic root of 151020404 is about 532.5313862491.

Adding to 151020404 its reverse (404020151), we get a palindrome (555040555).

The spelling of 151020404 in words is "one hundred fifty-one million, twenty thousand, four hundred four".