145353437 has 2 divisors, whose sum is σ = 145353438. Its totient is φ = 145353436.

The previous prime is 145353431. The next prime is 145353463. The reversal of 145353437 is 734353541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139098436 + 6255001 = 11794^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 145353437 - 2⁴ = 145353421 is a prime.

It is a super-2 number, since 2×145353437² = 42255243295425938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145353397 and 145353406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145353431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72676718 + 72676719.

It is an arithmetic number, because the mean of its divisors is an integer number (72676719).

Almost surely, 2^145353437 is an apocalyptic number.

It is an amenable number.

145353437 is a deficient number, since it is larger than the sum of its proper divisors (1).

145353437 is an equidigital number, since it uses as much as digits as its factorization.

145353437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 145353437 is about 12056.2613193311. The cubic root of 145353437 is about 525.7852943111.

The spelling of 145353437 in words is "one hundred forty-five million, three hundred fifty-three thousand, four hundred thirty-seven".