145427707 has 8 divisors (see below), whose sum is σ = 156888576. Its totient is φ = 134289792.

The previous prime is 145427701. The next prime is 145427713. The reversal of 145427707 is 707724541.

It is an interprime number because it is at equal distance from previous prime (145427701) and next prime (145427713).

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 145427707 - 2²³ = 137039099 is a prime.

It is a super-2 number, since 2×145427707² = 42298435926555698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145427701) 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, 79803 + ... + 81604.

It is an arithmetic number, because the mean of its divisors is an integer number (19611072).

Almost surely, 2^145427707 is an apocalyptic number.

145427707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145427707 is a deficient number, since it is larger than the sum of its proper divisors (11460869).

145427707 is a wasteful number, since it uses less digits than its factorization.

145427707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161477.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 145427707 is about 12059.3410682342. The cubic root of 145427707 is about 525.8748310648.

It can be divided in two parts, 1454 and 27707, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 145427707 in words is "one hundred forty-five million, four hundred twenty-seven thousand, seven hundred seven".