1452515340 has 48 divisors (see below), whose sum is σ = 4107327840. Its totient is φ = 383500800.

The previous prime is 1452515321. The next prime is 1452515359. The reversal of 1452515340 is 435152541.

1452515340 = T₂₄₁ + T₂₄₂ + ... + T₂₀₅₈.

It is an interprime number because it is at equal distance from previous prime (1452515321) and next prime (1452515359).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1452515298 and 1452515307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113785 + ... + 125904.

It is an arithmetic number, because the mean of its divisors is an integer number (85569330).

Almost surely, 2^1452515340 is an apocalyptic number.

1452515340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452515340 is an abundant number, since it is smaller than the sum of its proper divisors (2654812500).

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

1452515340 is a wasteful number, since it uses less digits than its factorization.

1452515340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239802 (or 239800 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1452515340 is about 38111.8792504384. The cubic root of 1452515340 is about 1132.5052984758.

Adding to 1452515340 its reverse (435152541), we get a palindrome (1887667881).

The spelling of 1452515340 in words is "one billion, four hundred fifty-two million, five hundred fifteen thousand, three hundred forty".