101625149 has 4 divisors (see below), whose sum is σ = 101765664. Its totient is φ = 101484636.

The previous prime is 101625143. The next prime is 101625157. The reversal of 101625149 is 941526101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101625149 - 2²⁴ = 84847933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101625143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69167 + ... + 70620.

It is an arithmetic number, because the mean of its divisors is an integer number (25441416).

Almost surely, 2^101625149 is an apocalyptic number.

It is an amenable number.

101625149 is a deficient number, since it is larger than the sum of its proper divisors (140515).

101625149 is an equidigital number, since it uses as much as digits as its factorization.

101625149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140514.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 101625149 is about 10080.9299670219. The cubic root of 101625149 is about 466.6598084593.

The spelling of 101625149 in words is "one hundred one million, six hundred twenty-five thousand, one hundred forty-nine".