149099535 has 40 divisors (see below), whose sum is σ = 287844480. Its totient is φ = 73400256.

The previous prime is 149099519. The next prime is 149099539. The reversal of 149099535 is 535990941.

It is a happy number.

It is not a de Polignac number, because 149099535 - 2⁴ = 149099519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149099539) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8895 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (7196112).

Almost surely, 2^149099535 is an apocalyptic number.

149099535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149099535 is a deficient number, since it is larger than the sum of its proper divisors (138744945).

149099535 is a wasteful number, since it uses less digits than its factorization.

149099535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28349 (or 28340 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 149099535 is about 12210.6320475232. The cubic root of 149099535 is about 530.2639423441.

It can be divided in two parts, 1490 and 99535, that added together give a triangular number (101025 = T₄₄₉).

The spelling of 149099535 in words is "one hundred forty-nine million, ninety-nine thousand, five hundred thirty-five".