1452153990 has 128 divisors (see below), whose sum is σ = 4258179072. Its totient is φ = 309703680.

The previous prime is 1452153977. The next prime is 1452154007. The reversal of 1452153990 is 993512541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194364 + ... + 201696.

It is an arithmetic number, because the mean of its divisors is an integer number (33267024).

Almost surely, 2^1452153990 is an apocalyptic number.

1452153990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452153990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129089536).

1452153990 is an abundant number, since it is smaller than the sum of its proper divisors (2806025082).

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

1452153990 is a wasteful number, since it uses less digits than its factorization.

1452153990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 1452153990 is about 38107.1383076714. The cubic root of 1452153990 is about 1132.4113775561.

The spelling of 1452153990 in words is "one billion, four hundred fifty-two million, one hundred fifty-three thousand, nine hundred ninety".