148135490 has 16 divisors (see below), whose sum is σ = 269394552. Its totient is φ = 58642944.

The previous prime is 148135487. The next prime is 148135523. The reversal of 148135490 is 94531841.

It can be written as a sum of positive squares in 4 ways, for example, as 138839089 + 9296401 = 11783^2 + 3049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 148135490.

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, 75389 + ... + 77328.

Almost surely, 2^148135490 is an apocalyptic number.

148135490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148135490 is a deficient number, since it is larger than the sum of its proper divisors (121259062).

148135490 is a wasteful number, since it uses less digits than its factorization.

148135490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152821.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 148135490 is about 12171.0923914002. The cubic root of 148135490 is about 529.1186133919.

The spelling of 148135490 in words is "one hundred forty-eight million, one hundred thirty-five thousand, four hundred ninety".