402541545 has 16 divisors (see below), whose sum is σ = 736076160. Its totient is φ = 184018944.

The previous prime is 402541523. The next prime is 402541621. The reversal of 402541545 is 545145204.

It is not a de Polignac number, because 402541545 - 2¹¹ = 402539497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916760 + ... + 1916969.

It is an arithmetic number, because the mean of its divisors is an integer number (46004760).

Almost surely, 2^402541545 is an apocalyptic number.

It is an amenable number.

402541545 is a deficient number, since it is larger than the sum of its proper divisors (333534615).

402541545 is a wasteful number, since it uses less digits than its factorization.

402541545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833744.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 402541545 is about 20063.4380154549. The cubic root of 402541545 is about 738.3635282042.

Adding to 402541545 its reverse (545145204), we get a palindrome (947686749).

The spelling of 402541545 in words is "four hundred two million, five hundred forty-one thousand, five hundred forty-five".