45551142015 has 32 divisors (see below), whose sum is σ = 75540081600. Its totient is φ = 23411082240.

The previous prime is 45551142011. The next prime is 45551142019. The reversal of 45551142015 is 51024115554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45551142011) and next prime (45551142019).

It is not a de Polignac number, because 45551142015 - 2² = 45551142011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551142011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126141 + ... + 327129.

It is an arithmetic number, because the mean of its divisors is an integer number (2360627550).

Almost surely, 2^45551142015 is an apocalyptic number.

45551142015 is a deficient number, since it is larger than the sum of its proper divisors (29988939585).

45551142015 is a wasteful number, since it uses less digits than its factorization.

45551142015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201547.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 45551142015 its reverse (51024115554), we get a palindrome (96575257569).

The spelling of 45551142015 in words is "forty-five billion, five hundred fifty-one million, one hundred forty-two thousand, fifteen".