146858690 has 16 divisors (see below), whose sum is σ = 288377280. Its totient is φ = 53403120.

The previous prime is 146858689. The next prime is 146858711. The reversal of 146858690 is 96858641.

It is a super-2 number, since 2×146858690² = 43134949657032200, which contains 22 as substring.

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, 667430 + ... + 667649.

It is an arithmetic number, because the mean of its divisors is an integer number (18023580).

Almost surely, 2^146858690 is an apocalyptic number.

146858690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146858690 is a deficient number, since it is larger than the sum of its proper divisors (141518590).

146858690 is a wasteful number, since it uses less digits than its factorization.

146858690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335097.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 146858690 is about 12118.5267256379. The cubic root of 146858690 is about 527.5940429651.

The spelling of 146858690 in words is "one hundred forty-six million, eight hundred fifty-eight thousand, six hundred ninety".