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45999997 is a prime number
BaseRepresentation
bin1010111101111…
…0011101111101
310012120001010121
42233132131331
543233444442
64321534541
71065664531
oct257363575
9105501117
1045999997
1123a6952a
12134a4451
1396b7844
146175bc1
154089967
hex2bde77d

45999997 has 2 divisors, whose sum is σ = 45999998. Its totient is φ = 45999996.

The previous prime is 45999979. The next prime is 46000013. The reversal of 45999997 is 79999954.

Together with previous prime (45999979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43943641 + 2056356 = 6629^2 + 1434^2 .

It is a cyclic number.

It is not a de Polignac number, because 45999997 - 27 = 45999869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45999907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22999998 + 22999999.

It is an arithmetic number, because the mean of its divisors is an integer number (22999999).

Almost surely, 245999997 is an apocalyptic number.

It is an amenable number.

45999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

45999997 is an equidigital number, since it uses as much as digits as its factorization.

45999997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8266860, while the sum is 61.

The square root of 45999997 is about 6782.3297619623. The cubic root of 45999997 is about 358.3047793124.

The spelling of 45999997 in words is "forty-five million, nine hundred ninety-nine thousand, nine hundred ninety-seven".