1214451153545 has 64 divisors (see below), whose sum is σ = 1690187390976. Its totient is φ = 820526008320.

The previous prime is 1214451153529. The next prime is 1214451153557. The reversal of 1214451153545 is 5453511544121.

It is not a de Polignac number, because 1214451153545 - 2⁴ = 1214451153529 is a prime.

It is a super-3 number, since 3×1214451153545³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1142474684 + ... + 1142475746.

It is an arithmetic number, because the mean of its divisors is an integer number (26409177984).

Almost surely, 2^{1214451153545} is an apocalyptic number.

It is an amenable number.

1214451153545 is a deficient number, since it is larger than the sum of its proper divisors (475736237431).

1214451153545 is a wasteful number, since it uses less digits than its factorization.

1214451153545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its digits is 240000, while the sum is 41.

Adding to 1214451153545 its reverse (5453511544121), we get a palindrome (6667962697666).

The spelling of 1214451153545 in words is "one trillion, two hundred fourteen billion, four hundred fifty-one million, one hundred fifty-three thousand, five hundred forty-five".