149540995 has 4 divisors (see below), whose sum is σ = 179449200. Its totient is φ = 119632792.

The previous prime is 149540983. The next prime is 149540999. The reversal of 149540995 is 599045941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599045941 = 13 ⋅46080457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149540995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149540999) 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, 14954095 + ... + 14954104.

It is an arithmetic number, because the mean of its divisors is an integer number (44862300).

Almost surely, 2^149540995 is an apocalyptic number.

149540995 is a deficient number, since it is larger than the sum of its proper divisors (29908205).

149540995 is an equidigital number, since it uses as much as digits as its factorization.

149540995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29908204.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 149540995 is about 12228.6955559455. The cubic root of 149540995 is about 530.7867690686.

The spelling of 149540995 in words is "one hundred forty-nine million, five hundred forty thousand, nine hundred ninety-five".