149840880 has 160 divisors (see below), whose sum is σ = 538060800. Its totient is φ = 33785856.

The previous prime is 149840879. The next prime is 149840881. The reversal of 149840880 is 88048941.

It is an interprime number because it is at equal distance from previous prime (149840879) and next prime (149840881).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149840881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132156 + ... + 133284.

It is an arithmetic number, because the mean of its divisors is an integer number (3362880).

Almost surely, 2^149840880 is an apocalyptic number.

149840880 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 149840880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269030400).

149840880 is an abundant number, since it is smaller than the sum of its proper divisors (388219920).

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

149840880 is a wasteful number, since it uses less digits than its factorization.

149840880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 149840880 is about 12240.9509434521. The cubic root of 149840880 is about 531.1413400834.

The spelling of 149840880 in words is "one hundred forty-nine million, eight hundred forty thousand, eight hundred eighty".