146387870 has 16 divisors (see below), whose sum is σ = 274955040. Its totient is φ = 56009184.

The previous prime is 146387807. The next prime is 146387897. The reversal of 146387870 is 78783641.

It is a Curzon number.

It is a congruent number.

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, 318005 + ... + 318464.

It is an arithmetic number, because the mean of its divisors is an integer number (17184690).

Almost surely, 2^146387870 is an apocalyptic number.

146387870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146387870 is a deficient number, since it is larger than the sum of its proper divisors (128567170).

146387870 is a wasteful number, since it uses less digits than its factorization.

146387870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636499.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 146387870 is about 12099.0855026320. The cubic root of 146387870 is about 527.0296279372.

The spelling of 146387870 in words is "one hundred forty-six million, three hundred eighty-seven thousand, eight hundred seventy".