402743045 has 16 divisors (see below), whose sum is σ = 494218368. Its totient is φ = 314975040.

The previous prime is 402743023. The next prime is 402743051. The reversal of 402743045 is 540347204.

It is not a de Polignac number, because 402743045 - 2¹⁴ = 402726661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 402742999 and 402743017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46982 + ... + 54888.

It is an arithmetic number, because the mean of its divisors is an integer number (30888648).

Almost surely, 2^402743045 is an apocalyptic number.

It is an amenable number.

402743045 is a deficient number, since it is larger than the sum of its proper divisors (91475323).

402743045 is a wasteful number, since it uses less digits than its factorization.

402743045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 402743045 is about 20068.4589592724. The cubic root of 402743045 is about 738.4867083950.

The spelling of 402743045 in words is "four hundred two million, seven hundred forty-three thousand, forty-five".