146552290 has 8 divisors (see below), whose sum is σ = 263794140. Its totient is φ = 58620912.

The previous prime is 146552243. The next prime is 146552303. The reversal of 146552290 is 92255641.

It is a happy number.

146552290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139310809 + 7241481 = 11803^2 + 2691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7327605 + ... + 7327624.

Almost surely, 2^146552290 is an apocalyptic number.

146552290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146552290 is a deficient number, since it is larger than the sum of its proper divisors (117241850).

146552290 is a wasteful number, since it uses less digits than its factorization.

146552290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14655236.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 146552290 is about 12105.8783241861. The cubic root of 146552290 is about 527.2268705751.

The spelling of 146552290 in words is "one hundred forty-six million, five hundred fifty-two thousand, two hundred ninety".