149503757 has 8 divisors (see below), whose sum is σ = 164430336. Its totient is φ = 135066672.

The previous prime is 149503747. The next prime is 149503771. The reversal of 149503757 is 757305941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149503757 - 2¹⁰ = 149502733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149503747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121733 + ... + 122954.

It is an arithmetic number, because the mean of its divisors is an integer number (20553792).

Almost surely, 2^149503757 is an apocalyptic number.

It is an amenable number.

149503757 is a deficient number, since it is larger than the sum of its proper divisors (14926579).

149503757 is a wasteful number, since it uses less digits than its factorization.

149503757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244747.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 149503757 is about 12227.1728948273. The cubic root of 149503757 is about 530.7427073972.

The spelling of 149503757 in words is "one hundred forty-nine million, five hundred three thousand, seven hundred fifty-seven".