145292437 has 2 divisors, whose sum is σ = 145292438. Its totient is φ = 145292436.

The previous prime is 145292431. The next prime is 145292461. The reversal of 145292437 is 734292541.

145292437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 57851236 = 9351^2 + 7606^2 .

It is an emirp because it is prime and its reverse (734292541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145292437 - 2³ = 145292429 is a prime.

It is a super-2 number, since 2×145292437² = 42219784498797938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145292396 and 145292405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145292431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72646218 + 72646219.

It is an arithmetic number, because the mean of its divisors is an integer number (72646219).

Almost surely, 2^145292437 is an apocalyptic number.

It is an amenable number.

145292437 is a deficient number, since it is larger than the sum of its proper divisors (1).

145292437 is an equidigital number, since it uses as much as digits as its factorization.

145292437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 145292437 is about 12053.7312480410. The cubic root of 145292437 is about 525.7117324898.

The spelling of 145292437 in words is "one hundred forty-five million, two hundred ninety-two thousand, four hundred thirty-seven".