145244707 has 8 divisors (see below), whose sum is σ = 147294720. Its totient is φ = 143204160.

The previous prime is 145244681. The next prime is 145244713. The reversal of 145244707 is 707442541.

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 145244707 - 2²³ = 136856099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145244507) 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, 31957 + ... + 36217.

It is an arithmetic number, because the mean of its divisors is an integer number (18411840).

Almost surely, 2^145244707 is an apocalyptic number.

145244707 is a deficient number, since it is larger than the sum of its proper divisors (2050013).

145244707 is an equidigital number, since it uses as much as digits as its factorization.

145244707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 145244707 is about 12051.7512005517. The cubic root of 145244707 is about 525.6541590201.

The spelling of 145244707 in words is "one hundred forty-five million, two hundred forty-four thousand, seven hundred seven".