1054145452440 has 64 divisors (see below), whose sum is σ = 3162557028960. Its totient is φ = 281094727680.

The previous prime is 1054145452433. The next prime is 1054145452447. The reversal of 1054145452440 is 442545414501.

It is an interprime number because it is at equal distance from previous prime (1054145452433) and next prime (1054145452447).

It is a super-2 number, since 2×1054145452440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054145452447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285570 + ... + 3592110.

Almost surely, 2^{1054145452440} is an apocalyptic number.

1054145452440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054145452440 is an abundant number, since it is smaller than the sum of its proper divisors (2108411576520).

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

1054145452440 is a wasteful number, since it uses less digits than its factorization.

1054145452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335212 (or 335208 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

The spelling of 1054145452440 in words is "one trillion, fifty-four billion, one hundred forty-five million, four hundred fifty-two thousand, four hundred forty".