1415745899 has 4 divisors (see below), whose sum is σ = 1422860400. Its totient is φ = 1408631400.

The previous prime is 1415745827. The next prime is 1415745931. The reversal of 1415745899 is 9985475141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9985475141 = 29 ⋅344326729.

It is a cyclic number.

It is not a de Polignac number, because 1415745899 - 2¹⁶ = 1415680363 is a prime.

It is a super-3 number, since 3×1415745899³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1415745899.

It is not an unprimeable number, because it can be changed into a prime (1415745299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3556952 + ... + 3557349.

It is an arithmetic number, because the mean of its divisors is an integer number (355715100).

Almost surely, 2^1415745899 is an apocalyptic number.

1415745899 is a deficient number, since it is larger than the sum of its proper divisors (7114501).

1415745899 is an equidigital number, since it uses as much as digits as its factorization.

1415745899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114500.

The product of its digits is 1814400, while the sum is 53.

The square root of 1415745899 is about 37626.3989640252. The cubic root of 1415745899 is about 1122.8673074373.

The spelling of 1415745899 in words is "one billion, four hundred fifteen million, seven hundred forty-five thousand, eight hundred ninety-nine".