1245557152476 has 720 divisors, whose sum is σ = 4318877122560. Its totient is φ = 309393665280.

The previous prime is 1245557152471. The next prime is 1245557152507. The reversal of 1245557152476 is 6742517555421.

1245557152476 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 55 + 71 + 52 + 476 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245557152471) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 748981221 + ... + 748982883.

It is an arithmetic number, because the mean of its divisors is an integer number (5998440448).

Almost surely, 2^{1245557152476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245557152476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159438561280).

1245557152476 is an abundant number, since it is smaller than the sum of its proper divisors (3073319970084).

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

1245557152476 is a wasteful number, since it uses less digits than its factorization.

1245557152476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1898 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 54.

The spelling of 1245557152476 in words is "one trillion, two hundred forty-five billion, five hundred fifty-seven million, one hundred fifty-two thousand, four hundred seventy-six".