146505737 has 12 divisors (see below), whose sum is σ = 172586880. Its totient is φ = 123983496.

The previous prime is 146505719. The next prime is 146505757. The reversal of 146505737 is 737505641.

It is a de Polignac number, because none of the positive numbers 2^k-146505737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146505737.

It is not an unprimeable number, because it can be changed into a prime (146505757) 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, 15053 + ... + 22794.

It is an arithmetic number, because the mean of its divisors is an integer number (14382240).

Almost surely, 2^146505737 is an apocalyptic number.

It is an amenable number.

146505737 is a deficient number, since it is larger than the sum of its proper divisors (26081143).

146505737 is an equidigital number, since it uses as much as digits as its factorization.

146505737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37940 (or 37933 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 146505737 is about 12103.9554278756. The cubic root of 146505737 is about 527.1710393270.

The spelling of 146505737 in words is "one hundred forty-six million, five hundred five thousand, seven hundred thirty-seven".