149540075 has 12 divisors (see below), whose sum is σ = 196337880. Its totient is φ = 112594560.

The previous prime is 149540033. The next prime is 149540077. The reversal of 149540075 is 570045941.

It is not a de Polignac number, because 149540075 - 2¹⁴ = 149523691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149540077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175505 + ... + 176354.

It is an arithmetic number, because the mean of its divisors is an integer number (16361490).

Almost surely, 2^149540075 is an apocalyptic number.

149540075 is a deficient number, since it is larger than the sum of its proper divisors (46797805).

149540075 is a wasteful number, since it uses less digits than its factorization.

149540075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351886 (or 351881 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 149540075 is about 12228.6579394470. The cubic root of 149540075 is about 530.7856805715.

The spelling of 149540075 in words is "one hundred forty-nine million, five hundred forty thousand, seventy-five".