146934378 has 16 divisors (see below), whose sum is σ = 326520960. Its totient is φ = 48978108.

The previous prime is 146934377. The next prime is 146934379. The reversal of 146934378 is 873439641.

It is an interprime number because it is at equal distance from previous prime (146934377) and next prime (146934379).

It is a super-2 number, since 2×146934378² = 43179422876493768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146934371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360450 + ... + 1360557.

It is an arithmetic number, because the mean of its divisors is an integer number (20407560).

Almost surely, 2^146934378 is an apocalyptic number.

146934378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146934378 is an abundant number, since it is smaller than the sum of its proper divisors (179586582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146934378 is a wasteful number, since it uses less digits than its factorization.

146934378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721018 (or 2721012 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 146934378 is about 12121.6491452277. The cubic root of 146934378 is about 527.6846645001.

The spelling of 146934378 in words is "one hundred forty-six million, nine hundred thirty-four thousand, three hundred seventy-eight".