150311493 has 6 divisors (see below), whose sum is σ = 217116614. Its totient is φ = 100207656.

The previous prime is 150311479. The next prime is 150311507. The reversal of 150311493 is 394113051.

It is an interprime number because it is at equal distance from previous prime (150311479) and next prime (150311507).

It can be written as a sum of positive squares in only one way, i.e., 148791204 + 1520289 = 12198^2 + 1233^2 .

It is not a de Polignac number, because 150311493 - 2⁹ = 150310981 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 (150311443) 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 5 ways as a sum of consecutive naturals, for example, 8350630 + ... + 8350647.

Almost surely, 2^150311493 is an apocalyptic number.

It is an amenable number.

150311493 is a deficient number, since it is larger than the sum of its proper divisors (66805121).

150311493 is a wasteful number, since it uses less digits than its factorization.

150311493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701283 (or 16701280 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 150311493 is about 12260.1587673243. The cubic root of 150311493 is about 531.6968199711.

It can be divided in two parts, 1503 and 11493, that added together give a square (12996 = 114²).

The spelling of 150311493 in words is "one hundred fifty million, three hundred eleven thousand, four hundred ninety-three".