148645452 has 24 divisors (see below), whose sum is σ = 351232000. Its totient is φ = 48920976.

The previous prime is 148645451. The next prime is 148645489. The reversal of 148645452 is 254546841.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 148645452.

It is not an unprimeable number, because it can be changed into a prime (148645451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77452 + ... + 79347.

Almost surely, 2^148645452 is an apocalyptic number.

148645452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

148645452 is an abundant number, since it is smaller than the sum of its proper divisors (202586548).

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

148645452 is a wasteful number, since it uses less digits than its factorization.

148645452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156885 (or 156883 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 148645452 is about 12192.0241141494. The cubic root of 148645452 is about 529.7250882333.

The spelling of 148645452 in words is "one hundred forty-eight million, six hundred forty-five thousand, four hundred fifty-two".