146087686 has 16 divisors (see below), whose sum is σ = 228286080. Its totient is φ = 70035840.

The previous prime is 146087677. The next prime is 146087771. The reversal of 146087686 is 686780641.

It is a happy number.

It is a super-2 number, since 2×146087686² = 42683224001669192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 17566.

It is an arithmetic number, because the mean of its divisors is an integer number (14267880).

Almost surely, 2^146087686 is an apocalyptic number.

146087686 is a deficient number, since it is larger than the sum of its proper divisors (82198394).

146087686 is a wasteful number, since it uses less digits than its factorization.

146087686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21759.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 146087686 is about 12086.6739014503. The cubic root of 146087686 is about 526.6691378580.

The spelling of 146087686 in words is "one hundred forty-six million, eighty-seven thousand, six hundred eighty-six".