1455719148 has 96 divisors (see below), whose sum is σ = 4204670400. Its totient is φ = 432456192.

The previous prime is 1455719113. The next prime is 1455719149. The reversal of 1455719148 is 8419175541.

1455719148 is a `hidden beast` number, since 1 + 4 + 557 + 1 + 91 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1455719149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22840 + ... + 58592.

It is an arithmetic number, because the mean of its divisors is an integer number (43798650).

Almost surely, 2^1455719148 is an apocalyptic number.

1455719148 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 1455719148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2102335200).

1455719148 is an abundant number, since it is smaller than the sum of its proper divisors (2748951252).

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

1455719148 is a wasteful number, since it uses less digits than its factorization.

1455719148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808 (or 35800 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The square root of 1455719148 is about 38153.8877180295. The cubic root of 1455719148 is about 1133.3373413545.

The spelling of 1455719148 in words is "one billion, four hundred fifty-five million, seven hundred nineteen thousand, one hundred forty-eight".