148251090 has 32 divisors (see below), whose sum is σ = 383173056. Its totient is φ = 36492480.

The previous prime is 148251049. The next prime is 148251097. The reversal of 148251090 is 90152841.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (148251097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189676 + ... + 190455.

It is an arithmetic number, because the mean of its divisors is an integer number (11974158).

Almost surely, 2^148251090 is an apocalyptic number.

148251090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148251090 is an abundant number, since it is smaller than the sum of its proper divisors (234921966).

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

148251090 is a wasteful number, since it uses less digits than its factorization.

148251090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380154.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 148251090 is about 12175.8404227388. The cubic root of 148251090 is about 529.2562131166.

The spelling of 148251090 in words is "one hundred forty-eight million, two hundred fifty-one thousand, ninety".