145214450291 has 2 divisors, whose sum is σ = 145214450292. Its totient is φ = 145214450290.

The previous prime is 145214450231. The next prime is 145214450327. The reversal of 145214450291 is 192054412541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145214450291 - 2²² = 145210255987 is a prime.

It is not a weakly prime, because it can be changed into another prime (145214450221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72607225145 + 72607225146.

It is an arithmetic number, because the mean of its divisors is an integer number (72607225146).

Almost surely, 2^145214450291 is an apocalyptic number.

145214450291 is a deficient number, since it is larger than the sum of its proper divisors (1).

145214450291 is an equidigital number, since it uses as much as digits as its factorization.

145214450291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 145214450291 in words is "one hundred forty-five billion, two hundred fourteen million, four hundred fifty thousand, two hundred ninety-one".