151522402 has 8 divisors (see below), whose sum is σ = 227778012. Its totient is φ = 75596400.

The previous prime is 151522387. The next prime is 151522403. The reversal of 151522402 is 204225151.

It can be written as a sum of positive squares in 2 ways, for example, as 150332121 + 1190281 = 12261^2 + 1091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (151522403) 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, 81249 + ... + 83092.

Almost surely, 2^151522402 is an apocalyptic number.

151522402 is a deficient number, since it is larger than the sum of its proper divisors (76255610).

151522402 is a wasteful number, since it uses less digits than its factorization.

151522402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164804.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 151522402 is about 12309.4436104968. The cubic root of 151522402 is about 533.1207857046.

Adding to 151522402 its reverse (204225151), we get a palindrome (355747553).

The spelling of 151522402 in words is "one hundred fifty-one million, five hundred twenty-two thousand, four hundred two".