1453070988 has 144 divisors (see below), whose sum is σ = 4121155584. Its totient is φ = 445927680.

The previous prime is 1453070987. The next prime is 1453071001. The reversal of 1453070988 is 8890703541.

It is a super-2 number, since 2×1453070988² = 4222830592334592288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453070987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775693 + ... + 777563.

It is an arithmetic number, because the mean of its divisors is an integer number (28619136).

Almost surely, 2^1453070988 is an apocalyptic number.

1453070988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453070988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060577792).

1453070988 is an abundant number, since it is smaller than the sum of its proper divisors (2668084596).

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

1453070988 is a wasteful number, since it uses less digits than its factorization.

1453070988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1453070988 is about 38119.1682490581. The cubic root of 1453070988 is about 1132.6496903140.

The spelling of 1453070988 in words is "one billion, four hundred fifty-three million, seventy thousand, nine hundred eighty-eight".