148974440 has 64 divisors (see below), whose sum is σ = 354888000. Its totient is φ = 56125440.

The previous prime is 148974439. The next prime is 148974493. The reversal of 148974440 is 44479841.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159896 + ... + 160824.

It is an arithmetic number, because the mean of its divisors is an integer number (5545125).

Almost surely, 2^148974440 is an apocalyptic number.

148974440 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 148974440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177444000).

148974440 is an abundant number, since it is smaller than the sum of its proper divisors (205913560).

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

148974440 is a wasteful number, since it uses less digits than its factorization.

148974440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 148974440 is about 12205.5085924348. The cubic root of 148974440 is about 530.1156031204.

The spelling of 148974440 in words is "one hundred forty-eight million, nine hundred seventy-four thousand, four hundred forty".