145218655297 has 8 divisors (see below), whose sum is σ = 153930472416. Its totient is φ = 136525676352.

The previous prime is 145218655291. The next prime is 145218655313. The reversal of 145218655297 is 792556812541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145218655297 - 2³⁵ = 110858916929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145218655291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4693663 + ... + 4724500.

It is an arithmetic number, because the mean of its divisors is an integer number (19241309052).

Almost surely, 2^145218655297 is an apocalyptic number.

145218655297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

145218655297 is a deficient number, since it is larger than the sum of its proper divisors (8711817119).

145218655297 is an equidigital number, since it uses as much as digits as its factorization.

145218655297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419087.

The product of its digits is 6048000, while the sum is 55.

The spelling of 145218655297 in words is "one hundred forty-five billion, two hundred eighteen million, six hundred fifty-five thousand, two hundred ninety-seven".