1453155545420 has 24 divisors (see below), whose sum is σ = 3051651579984. Its totient is φ = 581257468736.

The previous prime is 1453155545417. The next prime is 1453155545431. The reversal of 1453155545420 is 245455513541.

It is a happy number.

It is a super-2 number, since 2×1453155545420² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239759 + ... + 3660921.

It is an arithmetic number, because the mean of its divisors is an integer number (127152149166).

Almost surely, 2^{1453155545420} is an apocalyptic number.

1453155545420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1453155545420 is an abundant number, since it is smaller than the sum of its proper divisors (1598496034564).

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

1453155545420 is a wasteful number, since it uses less digits than its factorization.

1453155545420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593689 (or 593687 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 1453155545420 in words is "one trillion, four hundred fifty-three billion, one hundred fifty-five million, five hundred forty-five thousand, four hundred twenty".