145167937 has 4 divisors (see below), whose sum is σ = 145208916. Its totient is φ = 145126960.

The previous prime is 145167929. The next prime is 145167941. The reversal of 145167937 is 739761541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124456336 + 20711601 = 11156^2 + 4551^2 .

It is a cyclic number.

It is not a de Polignac number, because 145167937 - 2³ = 145167929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145167893 and 145167902.

It is not an unprimeable number, because it can be changed into a prime (145167917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14614 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (36302229).

Almost surely, 2^145167937 is an apocalyptic number.

It is an amenable number.

145167937 is a deficient number, since it is larger than the sum of its proper divisors (40979).

145167937 is an equidigital number, since it uses as much as digits as its factorization.

145167937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40978.

The product of its digits is 158760, while the sum is 43.

The square root of 145167937 is about 12048.5657652685. The cubic root of 145167937 is about 525.5615300985.

The spelling of 145167937 in words is "one hundred forty-five million, one hundred sixty-seven thousand, nine hundred thirty-seven".