290125145 has 16 divisors (see below), whose sum is σ = 369091728. Its totient is φ = 218173440.

The previous prime is 290125097. The next prime is 290125153. The reversal of 290125145 is 541521092.

It can be written as a sum of positive squares in 8 ways, for example, as 42094144 + 248031001 = 6488^2 + 15749^2 .

It is a de Polignac number, because none of the positive numbers 2^k-290125145 is a prime.

It is a super-2 number, since 2×290125145² = 168345199522542050, which contains 22 as substring.

It is a Duffinian number.

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, 88577 + ... + 91793.

It is an arithmetic number, because the mean of its divisors is an integer number (23068233).

Almost surely, 2^290125145 is an apocalyptic number.

It is an amenable number.

290125145 is a deficient number, since it is larger than the sum of its proper divisors (78966583).

290125145 is a wasteful number, since it uses less digits than its factorization.

290125145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 290125145 is about 17033.0603533246. The cubic root of 290125145 is about 662.0057935255.

The spelling of 290125145 in words is "two hundred ninety million, one hundred twenty-five thousand, one hundred forty-five".