146402740090 has 12 divisors (see below), whose sum is σ = 263527110126. Its totient is φ = 58560612048.

The previous prime is 146402740073. The next prime is 146402740091. The reversal of 146402740090 is 90047204641.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 116474086089 + 29928654001 = 341283^2 + 172999^2 .

It is not an unprimeable number, because it can be changed into a prime (146402740091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149472 + ... + 1270468.

Almost surely, 2^146402740090 is an apocalyptic number.

146402740090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146402740090 is a deficient number, since it is larger than the sum of its proper divisors (117124370036).

146402740090 is an frugal number, since it uses more digits than its factorization.

146402740090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242001 (or 121004 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 146402740090 in words is "one hundred forty-six billion, four hundred two million, seven hundred forty thousand, ninety".