1464245140 has 24 divisors (see below), whose sum is σ = 3075875712. Its totient is φ = 585515040.

The previous prime is 1464245131. The next prime is 1464245149. The reversal of 1464245140 is 415424641.

It is an interprime number because it is at equal distance from previous prime (1464245131) and next prime (1464245149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464245149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67425 + ... + 86455.

It is an arithmetic number, because the mean of its divisors is an integer number (128161488).

Almost surely, 2^1464245140 is an apocalyptic number.

1464245140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464245140 is an abundant number, since it is smaller than the sum of its proper divisors (1611630572).

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

1464245140 is a wasteful number, since it uses less digits than its factorization.

1464245140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22887 (or 22885 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1464245140 is about 38265.4562235968. The cubic root of 1464245140 is about 1135.5456477096.

Adding to 1464245140 its reverse (415424641), we get a palindrome (1879669781).

The spelling of 1464245140 in words is "one billion, four hundred sixty-four million, two hundred forty-five thousand, one hundred forty".