146256730 has 16 divisors (see below), whose sum is σ = 263925864. Its totient is φ = 58355200.

The previous prime is 146256713. The next prime is 146256731. The reversal of 146256730 is 37652641.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141681409 + 4575321 = 11903^2 + 2139^2 .

It is not an unprimeable number, because it can be changed into a prime (146256731) 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, 14227 + ... + 22246.

Almost surely, 2^146256730 is an apocalyptic number.

146256730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146256730 is a deficient number, since it is larger than the sum of its proper divisors (117669134).

146256730 is a wasteful number, since it uses less digits than its factorization.

146256730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36881.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 146256730 is about 12093.6648705014. The cubic root of 146256730 is about 526.8722029761.

The spelling of 146256730 in words is "one hundred forty-six million, two hundred fifty-six thousand, seven hundred thirty".