151540402 has 16 divisors (see below), whose sum is σ = 245109312. Its totient is φ = 69852240.

The previous prime is 151540393. The next prime is 151540421. The reversal of 151540402 is 204045151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19777 + ... + 26347.

It is an arithmetic number, because the mean of its divisors is an integer number (15319332).

Almost surely, 2^151540402 is an apocalyptic number.

151540402 is a deficient number, since it is larger than the sum of its proper divisors (93568910).

151540402 is a wasteful number, since it uses less digits than its factorization.

151540402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473.

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

The square root of 151540402 is about 12310.1747347469. The cubic root of 151540402 is about 533.1418954417.

Adding to 151540402 its reverse (204045151), we get a palindrome (355585553).

The spelling of 151540402 in words is "one hundred fifty-one million, five hundred forty thousand, four hundred two".