1454997986 has 32 divisors (see below), whose sum is σ = 2492840448. Its totient is φ = 631794240.

The previous prime is 1454997977. The next prime is 1454997991. The reversal of 1454997986 is 6897994541.

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, 16535 + ... + 56421.

It is an arithmetic number, because the mean of its divisors is an integer number (77901264).

Almost surely, 2^1454997986 is an apocalyptic number.

1454997986 is a deficient number, since it is larger than the sum of its proper divisors (1037842462).

1454997986 is a wasteful number, since it uses less digits than its factorization.

1454997986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39986.

The product of its digits is 19595520, while the sum is 62.

The square root of 1454997986 is about 38144.4358458740. The cubic root of 1454997986 is about 1133.1501589967.

The spelling of 1454997986 in words is "one billion, four hundred fifty-four million, nine hundred ninety-seven thousand, nine hundred eighty-six".