154422625 has 32 divisors (see below), whose sum is σ = 227395584. Its totient is φ = 102456000.

The previous prime is 154422601. The next prime is 154422649. The reversal of 154422625 is 526224451.

It is an interprime number because it is at equal distance from previous prime (154422601) and next prime (154422649).

It is not a de Polignac number, because 154422625 - 2¹¹ = 154420577 is a prime.

It is a super-2 number, since 2×154422625² = 47692694223781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

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, 24279 + ... + 29971.

It is an arithmetic number, because the mean of its divisors is an integer number (7106112).

Almost surely, 2^154422625 is an apocalyptic number.

It is an amenable number.

154422625 is a deficient number, since it is larger than the sum of its proper divisors (72972959).

154422625 is an equidigital number, since it uses as much as digits as its factorization.

154422625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746 (or 5736 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 154422625 is about 12426.6900259079. The cubic root of 154422625 is about 536.5007213393.

The spelling of 154422625 in words is "one hundred fifty-four million, four hundred twenty-two thousand, six hundred twenty-five".