1214401545 has 96 divisors (see below), whose sum is σ = 2659392000. Its totient is φ = 522450432.

The previous prime is 1214401523. The next prime is 1214401553. The reversal of 1214401545 is 5451044121.

1214401545 is a `hidden beast` number, since 1 + 214 + 401 + 5 + 45 = 666.

It is not a de Polignac number, because 1214401545 - 2⁸ = 1214401289 is a prime.

It is a super-2 number, since 2×1214401545² = 2949542224996774050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107056 + ... + 117854.

It is an arithmetic number, because the mean of its divisors is an integer number (27702000).

Almost surely, 2^1214401545 is an apocalyptic number.

1214401545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214401545 is an abundant number, since it is smaller than the sum of its proper divisors (1444990455).

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

1214401545 is a wasteful number, since it uses less digits than its factorization.

1214401545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844 (or 10831 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1214401545 is about 34848.2645909377. The cubic root of 1214401545 is about 1066.8927658187.

Adding to 1214401545 its reverse (5451044121), we get a palindrome (6665445666).

The spelling of 1214401545 in words is "one billion, two hundred fourteen million, four hundred one thousand, five hundred forty-five".