151204401 has 10 divisors (see below), whose sum is σ = 225873362. Its totient is φ = 100802880.

The previous prime is 151204393. The next prime is 151204423. The reversal of 151204401 is 104402151.

It can be written as a sum of positive squares in only one way, i.e., 150038001 + 1166400 = 12249^2 + 1080^2 .

It is not a de Polignac number, because 151204401 - 2³ = 151204393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151204201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 933280 + ... + 933441.

Almost surely, 2^151204401 is an apocalyptic number.

It is an amenable number.

151204401 is a deficient number, since it is larger than the sum of its proper divisors (74668961).

151204401 is an equidigital number, since it uses as much as digits as its factorization.

151204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866733 (or 1866724 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151204401 is about 12296.5198735252. The cubic root of 151204401 is about 532.7475698651.

Adding to 151204401 its reverse (104402151), we get a palindrome (255606552).

The spelling of 151204401 in words is "one hundred fifty-one million, two hundred four thousand, four hundred one".