148687974 has 20 divisors (see below), whose sum is σ = 333171564. Its totient is φ = 49562604.

The previous prime is 148687969. The next prime is 148688003. The reversal of 148687974 is 479786841.

It is a happy number.

148687974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×148687974² = 44216227224449352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 148687974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 458752 + ... + 459075.

Almost surely, 2^148687974 is an apocalyptic number.

148687974 is an abundant number, since it is smaller than the sum of its proper divisors (184483590).

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

148687974 is an equidigital number, since it uses as much as digits as its factorization.

148687974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917841 (or 917832 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 148687974 is about 12193.7678344308. The cubic root of 148687974 is about 529.7755950430.

The spelling of 148687974 in words is "one hundred forty-eight million, six hundred eighty-seven thousand, nine hundred seventy-four".