101522149 has 8 divisors (see below), whose sum is σ = 107709440. Its totient is φ = 95419296.

The previous prime is 101522143. The next prime is 101522153. The reversal of 101522149 is 941225101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101522149 - 2²³ = 93133541 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 (101522143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18624 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (13463680).

Almost surely, 2^101522149 is an apocalyptic number.

101522149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101522149 is a deficient number, since it is larger than the sum of its proper divisors (6187291).

101522149 is a wasteful number, since it uses less digits than its factorization.

101522149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42219.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 101522149 is about 10075.8200162567. The cubic root of 101522149 is about 466.5020974706.

The spelling of 101522149 in words is "one hundred one million, five hundred twenty-two thousand, one hundred forty-nine".