1455312312 has 32 divisors (see below), whose sum is σ = 4042534800. Its totient is φ = 485104032.

The previous prime is 1455312311. The next prime is 1455312323. The reversal of 1455312312 is 2132135541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455312311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368563 + ... + 3368994.

Almost surely, 2^1455312312 is an apocalyptic number.

1455312312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1455312312 is an abundant number, since it is smaller than the sum of its proper divisors (2587222488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455312312 is a wasteful number, since it uses less digits than its factorization.

1455312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737572 (or 6737562 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1455312312 is about 38148.5558311190. Note that the first 3 decimals coincide. The cubic root of 1455312312 is about 1133.2317519874.

Adding to 1455312312 its reverse (2132135541), we get a palindrome (3587447853).

The spelling of 1455312312 in words is "one billion, four hundred fifty-five million, three hundred twelve thousand, three hundred twelve".