140453245 has 16 divisors (see below), whose sum is σ = 170856000. Its totient is φ = 110832768.

The previous prime is 140453227. The next prime is 140453267. The reversal of 140453245 is 542354041.

It is a cyclic number.

It is not a de Polignac number, because 140453245 - 2⁵ = 140453213 is a prime.

It is a super-2 number, since 2×140453245² = 39454228062060050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123841 + ... + 124969.

It is an arithmetic number, because the mean of its divisors is an integer number (10678500).

Almost surely, 2^140453245 is an apocalyptic number.

It is an amenable number.

140453245 is a deficient number, since it is larger than the sum of its proper divisors (30402755).

140453245 is a wasteful number, since it uses less digits than its factorization.

140453245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 140453245 is about 11851.2971863843. The cubic root of 140453245 is about 519.8091570391.

The spelling of 140453245 in words is "one hundred forty million, four hundred fifty-three thousand, two hundred forty-five".