148531946 has 16 divisors (see below), whose sum is σ = 225358848. Its totient is φ = 73416000.

The previous prime is 148531921. The next prime is 148531963. The reversal of 148531946 is 649135841.

It is a super-4 number, since 4×148531946⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128471 + ... + 129621.

It is an arithmetic number, because the mean of its divisors is an integer number (14084928).

Almost surely, 2^148531946 is an apocalyptic number.

148531946 is a deficient number, since it is larger than the sum of its proper divisors (76826902).

148531946 is a wasteful number, since it uses less digits than its factorization.

148531946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its digits is 103680, while the sum is 41.

The square root of 148531946 is about 12187.3682967243. The cubic root of 148531946 is about 529.5902208112.

The spelling of 148531946 in words is "one hundred forty-eight million, five hundred thirty-one thousand, nine hundred forty-six".