149652507 has 4 divisors (see below), whose sum is σ = 199536680. Its totient is φ = 99768336.

The previous prime is 149652491. The next prime is 149652551. The reversal of 149652507 is 705256941.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 149652507 - 2⁴ = 149652491 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149651507) 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 3 ways as a sum of consecutive naturals, for example, 24942082 + ... + 24942087.

It is an arithmetic number, because the mean of its divisors is an integer number (49884170).

Almost surely, 2^149652507 is an apocalyptic number.

149652507 is a deficient number, since it is larger than the sum of its proper divisors (49884173).

149652507 is an equidigital number, since it uses as much as digits as its factorization.

149652507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49884172.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 149652507 is about 12233.2541459744. The cubic root of 149652507 is about 530.9186713338.

The spelling of 149652507 in words is "one hundred forty-nine million, six hundred fifty-two thousand, five hundred seven".