1453989502 has 8 divisors (see below), whose sum is σ = 2492553456. Its totient is φ = 623138352.

The previous prime is 1453989479. The next prime is 1453989521. The reversal of 1453989502 is 2059893541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453989502² = 4228170943852416008, 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 3 ways as a sum of consecutive naturals, for example, 51928183 + ... + 51928210.

It is an arithmetic number, because the mean of its divisors is an integer number (311569182).

Almost surely, 2^1453989502 is an apocalyptic number.

1453989502 is a deficient number, since it is larger than the sum of its proper divisors (1038563954).

1453989502 is a wasteful number, since it uses less digits than its factorization.

1453989502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103856402.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 1453989502 is about 38131.2142738728. The cubic root of 1453989502 is about 1132.8882965656. Note that the first 3 decimals are identical.

The spelling of 1453989502 in words is "one billion, four hundred fifty-three million, nine hundred eighty-nine thousand, five hundred two".