148540474 has 16 divisors (see below), whose sum is σ = 226993248. Its totient is φ = 72884592.

The previous prime is 148540471. The next prime is 148540487. The reversal of 148540474 is 474045841.

It is a happy number.

It is a super-2 number, since 2×148540474² = 44128544832289352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148540471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35964 + ... + 39880.

It is an arithmetic number, because the mean of its divisors is an integer number (14187078).

Almost surely, 2^148540474 is an apocalyptic number.

148540474 is a deficient number, since it is larger than the sum of its proper divisors (78452774).

148540474 is a wasteful number, since it uses less digits than its factorization.

148540474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269.

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 148540474 is about 12187.7181621500. The cubic root of 148540474 is about 529.6003561370.

The spelling of 148540474 in words is "one hundred forty-eight million, five hundred forty thousand, four hundred seventy-four".