149615603280 has 640 divisors, whose sum is σ = 641073968640. Its totient is φ = 31509872640.

The previous prime is 149615603251. The next prime is 149615603281. The reversal of 149615603280 is 82306516941.

149615603280 is a `hidden beast` number, since 1 + 4 + 9 + 6 + 1 + 560 + 3 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149615603281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5236714 + ... + 5265206.

It is an arithmetic number, because the mean of its divisors is an integer number (1001678076).

Almost surely, 2^149615603280 is an apocalyptic number.

149615603280 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 149615603280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320536984320).

149615603280 is an abundant number, since it is smaller than the sum of its proper divisors (491458365360).

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

149615603280 is a wasteful number, since it uses less digits than its factorization.

149615603280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28556 (or 28544 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 149615603280 in words is "one hundred forty-nine billion, six hundred fifteen million, six hundred three thousand, two hundred eighty".