290001045 has 32 divisors (see below), whose sum is σ = 501769728. Its totient is φ = 142466048.

The previous prime is 290001031. The next prime is 290001059. The reversal of 290001045 is 540100092.

It is an interprime number because it is at equal distance from previous prime (290001031) and next prime (290001059).

It is a cyclic number.

It is not a de Polignac number, because 290001045 - 2⁴ = 290001029 is a prime.

It is a super-2 number, since 2×290001045² = 168201212202184050, which contains 22 as substring.

It is a congruent number.

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, 114 + ... + 24083.

It is an arithmetic number, because the mean of its divisors is an integer number (15680304).

Almost surely, 2^290001045 is an apocalyptic number.

It is an amenable number.

290001045 is a deficient number, since it is larger than the sum of its proper divisors (211768683).

290001045 is a wasteful number, since it uses less digits than its factorization.

290001045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24269.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 290001045 is about 17029.4170481552. The cubic root of 290001045 is about 661.9113898552.

The spelling of 290001045 in words is "two hundred ninety million, one thousand, forty-five".