150622740 has 120 divisors (see below), whose sum is σ = 477403080. Its totient is φ = 39750912.

The previous prime is 150622739. The next prime is 150622753. The reversal of 150622740 is 47226051.

It can be written as a sum of positive squares in 4 ways, for example, as 3437316 + 147185424 = 1854^2 + 12132^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 176154 + ... + 177006.

It is an arithmetic number, because the mean of its divisors is an integer number (3978359).

Almost surely, 2^150622740 is an apocalyptic number.

150622740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150622740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238701540).

150622740 is an abundant number, since it is smaller than the sum of its proper divisors (326780340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150622740 is a wasteful number, since it uses less digits than its factorization.

150622740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 150622740 is about 12272.8456357929. The cubic root of 150622740 is about 532.0635582759.

Adding to 150622740 its reverse (47226051), we get a palindrome (197848791).

The spelling of 150622740 in words is "one hundred fifty million, six hundred twenty-two thousand, seven hundred forty".