145856707 has 2 divisors, whose sum is σ = 145856708. Its totient is φ = 145856706.

The previous prime is 145856687. The next prime is 145856723. The reversal of 145856707 is 707658541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145856707 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (145857707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72928353 + 72928354.

It is an arithmetic number, because the mean of its divisors is an integer number (72928354).

Almost surely, 2^145856707 is an apocalyptic number.

145856707 is a deficient number, since it is larger than the sum of its proper divisors (1).

145856707 is an equidigital number, since it uses as much as digits as its factorization.

145856707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 145856707 is about 12077.1150114587. The cubic root of 145856707 is about 526.3914195374.

The spelling of 145856707 in words is "one hundred forty-five million, eight hundred fifty-six thousand, seven hundred seven".