145552154437 has 2 divisors, whose sum is σ = 145552154438. Its totient is φ = 145552154436.

The previous prime is 145552154431. The next prime is 145552154533. The reversal of 145552154437 is 734451255541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113209369156 + 32342785281 = 336466^2 + 179841^2 .

It is a cyclic number.

It is not a de Polignac number, because 145552154437 - 2³¹ = 143404670789 is a prime.

It is a super-2 number, since 2×145552154437² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145552154431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72776077218 + 72776077219.

It is an arithmetic number, because the mean of its divisors is an integer number (72776077219).

Almost surely, 2^145552154437 is an apocalyptic number.

It is an amenable number.

145552154437 is a deficient number, since it is larger than the sum of its proper divisors (1).

145552154437 is an equidigital number, since it uses as much as digits as its factorization.

145552154437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680000, while the sum is 46.

The spelling of 145552154437 in words is "one hundred forty-five billion, five hundred fifty-two million, one hundred fifty-four thousand, four hundred thirty-seven".