148731426 has 12 divisors (see below), whose sum is σ = 322251462. Its totient is φ = 49577136.

The previous prime is 148731421. The next prime is 148731431. The reversal of 148731426 is 624137841.

148731426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148731421) and next prime (148731431).

It can be written as a sum of positive squares in only one way, i.e., 98307225 + 50424201 = 9915^2 + 7101^2 .

It is not an unprimeable number, because it can be changed into a prime (148731421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4131411 + ... + 4131446.

Almost surely, 2^148731426 is an apocalyptic number.

148731426 is an abundant number, since it is smaller than the sum of its proper divisors (173520036).

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

148731426 is a wasteful number, since it uses less digits than its factorization.

148731426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262865 (or 8262862 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 148731426 is about 12195.5494341173. The cubic root of 148731426 is about 529.8271965422.

The spelling of 148731426 in words is "one hundred forty-eight million, seven hundred thirty-one thousand, four hundred twenty-six".