148702091 has 4 divisors (see below), whose sum is σ = 148938384. Its totient is φ = 148465800.

The previous prime is 148702087. The next prime is 148702093. The reversal of 148702091 is 190207841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148702091 - 2² = 148702087 is a prime.

It is a super-2 number, since 2×148702091² = 44224623735544562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148702093) 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 3 ways as a sum of consecutive naturals, for example, 117200 + ... + 118461.

It is an arithmetic number, because the mean of its divisors is an integer number (37234596).

Almost surely, 2^148702091 is an apocalyptic number.

148702091 is a deficient number, since it is larger than the sum of its proper divisors (236293).

148702091 is an equidigital number, since it uses as much as digits as its factorization.

148702091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236292.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 148702091 is about 12194.3466819670. The cubic root of 148702091 is about 529.7923608136.

It can be divided in two parts, 14870 and 2091, that added together give a palindrome (16961).

The spelling of 148702091 in words is "one hundred forty-eight million, seven hundred two thousand, ninety-one".