148907818 has 16 divisors (see below), whose sum is σ = 236194560. Its totient is φ = 70293600.

The previous prime is 148907783. The next prime is 148907827. The reversal of 148907818 is 818709841.

It is a super-2 number, since 2×148907818² = 44347076523042248, which contains 22 as substring.

It is an unprimeable number.

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, 26748 + ... + 31831.

It is an arithmetic number, because the mean of its divisors is an integer number (14762160).

Almost surely, 2^148907818 is an apocalyptic number.

148907818 is a deficient number, since it is larger than the sum of its proper divisors (87286742).

148907818 is a wasteful number, since it uses less digits than its factorization.

148907818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58653.

The product of its (nonzero) digits is 129024, while the sum is 46.

The square root of 148907818 is about 12202.7791096946. The cubic root of 148907818 is about 530.0365680239.

The spelling of 148907818 in words is "one hundred forty-eight million, nine hundred seven thousand, eight hundred eighteen".