149010657 has 4 divisors (see below), whose sum is σ = 198680880. Its totient is φ = 99340436.

The previous prime is 149010619. The next prime is 149010677. The reversal of 149010657 is 756010941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149010657 - 2¹¹ = 149008609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149010677) 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, 24835107 + ... + 24835112.

It is an arithmetic number, because the mean of its divisors is an integer number (49670220).

Almost surely, 2^149010657 is an apocalyptic number.

It is an amenable number.

149010657 is a deficient number, since it is larger than the sum of its proper divisors (49670223).

149010657 is an equidigital number, since it uses as much as digits as its factorization.

149010657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49670222.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 149010657 is about 12206.9921356573. The cubic root of 149010657 is about 530.1585582322.

The spelling of 149010657 in words is "one hundred forty-nine million, ten thousand, six hundred fifty-seven".