146326390 has 32 divisors (see below), whose sum is σ = 302471424. Its totient is φ = 49926240.

The previous prime is 146326351. The next prime is 146326409. The reversal of 146326390 is 93623641.

It is a happy number.

146326390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×146326390² = 42822824820864200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9817 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (9452232).

Almost surely, 2^146326390 is an apocalyptic number.

146326390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146326390 is an abundant number, since it is smaller than the sum of its proper divisors (156145034).

146326390 is a wasteful number, since it uses less digits than its factorization.

146326390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10132.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 146326390 is about 12096.5445479277. The cubic root of 146326390 is about 526.9558369448.

The spelling of 146326390 in words is "one hundred forty-six million, three hundred twenty-six thousand, three hundred ninety".