149923753 has 4 divisors (see below), whose sum is σ = 171341440. Its totient is φ = 128506068.

The previous prime is 149923733. The next prime is 149923759. The reversal of 149923753 is 357329941.

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 149923753 - 2⁵ = 149923721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149923759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10708833 + ... + 10708846.

It is an arithmetic number, because the mean of its divisors is an integer number (42835360).

Almost surely, 2^149923753 is an apocalyptic number.

It is an amenable number.

149923753 is a deficient number, since it is larger than the sum of its proper divisors (21417687).

149923753 is an equidigital number, since it uses as much as digits as its factorization.

149923753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417686.

The product of its digits is 204120, while the sum is 43.

The square root of 149923753 is about 12244.3355475093. The cubic root of 149923753 is about 531.2392420797.

It can be divided in two parts, 1499 and 23753, that added together give a palindrome (25252).

The spelling of 149923753 in words is "one hundred forty-nine million, nine hundred twenty-three thousand, seven hundred fifty-three".