149962693 has 4 divisors (see below), whose sum is σ = 150268608. Its totient is φ = 149656780.

The previous prime is 149962669. The next prime is 149962697. The reversal of 149962693 is 396269941.

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 149962693 - 2⁹ = 149962181 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 (149962697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152221 + ... + 153202.

It is an arithmetic number, because the mean of its divisors is an integer number (37567152).

Almost surely, 2^149962693 is an apocalyptic number.

It is an amenable number.

149962693 is a deficient number, since it is larger than the sum of its proper divisors (305915).

149962693 is an equidigital number, since it uses as much as digits as its factorization.

149962693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305914.

The product of its digits is 629856, while the sum is 49.

The square root of 149962693 is about 12245.9255673060. The cubic root of 149962693 is about 531.2852313797.

It can be divided in two parts, 14996 and 2693, that added together give a square (17689 = 133²).

The spelling of 149962693 in words is "one hundred forty-nine million, nine hundred sixty-two thousand, six hundred ninety-three".