100149534 has 24 divisors (see below), whose sum is σ = 225028440. Its totient is φ = 33383016.

The previous prime is 100149487. The next prime is 100149541. The reversal of 100149534 is 435941001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 100149498 and 100149507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102549 + ... + 103520.

It is an arithmetic number, because the mean of its divisors is an integer number (9376185).

Almost surely, 2^100149534 is an apocalyptic number.

100149534 is an abundant number, since it is smaller than the sum of its proper divisors (124878906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100149534 is an equidigital number, since it uses as much as digits as its factorization.

100149534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206086 (or 206074 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 100149534 is about 10007.4739070357. The cubic root of 100149534 is about 464.3901265854.

The spelling of 100149534 in words is "one hundred million, one hundred forty-nine thousand, five hundred thirty-four".