453451231520145 has 48 divisors (see below), whose sum is σ = 812315091993600. Its totient is φ = 233757029450880.

The previous prime is 453451231520071. The next prime is 453451231520237. The reversal of 453451231520145 is 541025132154354.

453451231520145 is a `hidden beast` number, since 4 + 5 + 3 + 4 + 51 + 2 + 31 + 520 + 1 + 45 = 666.

It is not a de Polignac number, because 453451231520145 - 2¹³ = 453451231511953 is a prime.

It is a super-2 number, since 2×453451231520145² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 453451231520145.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194895805 + ... + 197208714.

It is an arithmetic number, because the mean of its divisors is an integer number (16923231083200).

Almost surely, 2^{453451231520145} is an apocalyptic number.

453451231520145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

453451231520145 is a deficient number, since it is larger than the sum of its proper divisors (358863860473455).

453451231520145 is a wasteful number, since it uses less digits than its factorization.

453451231520145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392105390 (or 392105387 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Adding to 453451231520145 its reverse (541025132154354), we get a palindrome (994476363674499).

The spelling of 453451231520145 in words is "four hundred fifty-three trillion, four hundred fifty-one billion, two hundred thirty-one million, five hundred twenty thousand, one hundred forty-five".