148645816 has 32 divisors (see below), whose sum is σ = 320054400. Its totient is φ = 64009440.

The previous prime is 148645801. The next prime is 148645817. The reversal of 148645816 is 618546841.

148645816 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×148645816² = 44191157228611712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148645817) 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, 42780 + ... + 46123.

It is an arithmetic number, because the mean of its divisors is an integer number (10001700).

Almost surely, 2^148645816 is an apocalyptic number.

It is an amenable number.

148645816 is an abundant number, since it is smaller than the sum of its proper divisors (171408584).

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

148645816 is a wasteful number, since it uses less digits than its factorization.

148645816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88939 (or 88935 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 148645816 is about 12192.0390419322. The cubic root of 148645816 is about 529.7255206263.

The spelling of 148645816 in words is "one hundred forty-eight million, six hundred forty-five thousand, eight hundred sixteen".