1451555101 has 2 divisors, whose sum is σ = 1451555102. Its totient is φ = 1451555100.

The previous prime is 1451555059. The next prime is 1451555143. The reversal of 1451555101 is 1015551541.

It is a balanced prime because it is at equal distance from previous prime (1451555059) and next prime (1451555143).

It can be written as a sum of positive squares in only one way, i.e., 1295280100 + 156275001 = 35990^2 + 12501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451555101 - 2¹³ = 1451546909 is a prime.

It is a super-2 number, since 2×1451555101² = 4214024422478240402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1451555101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451555801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725777550 + 725777551.

It is an arithmetic number, because the mean of its divisors is an integer number (725777551).

Almost surely, 2^1451555101 is an apocalyptic number.

It is an amenable number.

1451555101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451555101 is an equidigital number, since it uses as much as digits as its factorization.

1451555101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 28.

The square root of 1451555101 is about 38099.2795338705. The cubic root of 1451555101 is about 1132.2556819537.

The spelling of 1451555101 in words is "one billion, four hundred fifty-one million, five hundred fifty-five thousand, one hundred one".