402651545 has 32 divisors (see below), whose sum is σ = 527109120. Its totient is φ = 294128640.

The previous prime is 402651523. The next prime is 402651563. The reversal of 402651545 is 545156204.

It is not a de Polignac number, because 402651545 - 2⁸ = 402651289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409124 + ... + 410106.

It is an arithmetic number, because the mean of its divisors is an integer number (16472160).

Almost surely, 2^402651545 is an apocalyptic number.

It is an amenable number.

402651545 is a deficient number, since it is larger than the sum of its proper divisors (124457575).

402651545 is a wasteful number, since it uses less digits than its factorization.

402651545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 402651545 is about 20066.1791330587. The cubic root of 402651545 is about 738.4307780670.

The spelling of 402651545 in words is "four hundred two million, six hundred fifty-one thousand, five hundred forty-five".