45342551 has 2 divisors, whose sum is σ = 45342552. Its totient is φ = 45342550.

The previous prime is 45342533. The next prime is 45342571. The reversal of 45342551 is 15524354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45342551 - 2⁶ = 45342487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45342571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22671275 + 22671276.

It is an arithmetic number, because the mean of its divisors is an integer number (22671276).

Almost surely, 2^45342551 is an apocalyptic number.

45342551 is a deficient number, since it is larger than the sum of its proper divisors (1).

45342551 is an equidigital number, since it uses as much as digits as its factorization.

45342551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 29.

The square root of 45342551 is about 6733.6877711994. The cubic root of 45342551 is about 356.5895813651.

The spelling of 45342551 in words is "forty-five million, three hundred forty-two thousand, five hundred fifty-one".