1423137445 has 16 divisors (see below), whose sum is σ = 1772354160. Its totient is φ = 1095704064.

The previous prime is 1423137437. The next prime is 1423137467. The reversal of 1423137445 is 5447313241.

It can be written as a sum of positive squares in 8 ways, for example, as 109872324 + 1313265121 = 10482^2 + 36239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423137445 - 2³ = 1423137437 is a prime.

It is a super-2 number, since 2×1423137445² = 4050640374722256050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1423137445.

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, 29707 + ... + 61063.

It is an arithmetic number, because the mean of its divisors is an integer number (110772135).

Almost surely, 2^1423137445 is an apocalyptic number.

It is an amenable number.

1423137445 is a deficient number, since it is larger than the sum of its proper divisors (349216715).

1423137445 is a wasteful number, since it uses less digits than its factorization.

1423137445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31704.

The product of its digits is 40320, while the sum is 34.

The square root of 1423137445 is about 37724.4939661223. The cubic root of 1423137445 is about 1124.8180630887.

The spelling of 1423137445 in words is "one billion, four hundred twenty-three million, one hundred thirty-seven thousand, four hundred forty-five".