146743730 has 24 divisors (see below), whose sum is σ = 307264428. Its totient is φ = 50311968.

The previous prime is 146743717. The next prime is 146743733. The reversal of 146743730 is 37347641.

146743730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146482609 + 261121 = 12103^2 + 511^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146743733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149249 + ... + 150228.

Almost surely, 2^146743730 is an apocalyptic number.

146743730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146743730 is an abundant number, since it is smaller than the sum of its proper divisors (160520698).

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

146743730 is a wasteful number, since it uses less digits than its factorization.

146743730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299498 (or 299491 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 146743730 is about 12113.7826462257. The cubic root of 146743730 is about 527.4563413325.

The spelling of 146743730 in words is "one hundred forty-six million, seven hundred forty-three thousand, seven hundred thirty".