148974816 has 48 divisors (see below), whose sum is σ = 394740864. Its totient is φ = 49190784.

The previous prime is 148974811. The next prime is 148974817. The reversal of 148974816 is 618479841.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148974811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3021 + ... + 17523.

It is an arithmetic number, because the mean of its divisors is an integer number (8223768).

Almost surely, 2^148974816 is an apocalyptic number.

148974816 is a gapful number since it is divisible by the number (16) 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 148974816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197370432).

148974816 is an abundant number, since it is smaller than the sum of its proper divisors (245766048).

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

148974816 is a wasteful number, since it uses less digits than its factorization.

148974816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14623 (or 14615 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 148974816 is about 12205.5239953064. The cubic root of 148974816 is about 530.1160491103.

The spelling of 148974816 in words is "one hundred forty-eight million, nine hundred seventy-four thousand, eight hundred sixteen".