145467709 has 16 divisors (see below), whose sum is σ = 154836864. Its totient is φ = 136382400.

The previous prime is 145467671. The next prime is 145467731. The reversal of 145467709 is 907764541.

It is a cyclic number.

It is not a de Polignac number, because 145467709 - 2²⁷ = 11249981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145467739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345319 + ... + 345739.

It is an arithmetic number, because the mean of its divisors is an integer number (9677304).

Almost surely, 2^145467709 is an apocalyptic number.

It is an amenable number.

145467709 is a deficient number, since it is larger than the sum of its proper divisors (9369155).

145467709 is a wasteful number, since it uses less digits than its factorization.

145467709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 145467709 is about 12060.9995025288. Note that the first 3 decimals coincide. The cubic root of 145467709 is about 525.9230431443.

The spelling of 145467709 in words is "one hundred forty-five million, four hundred sixty-seven thousand, seven hundred nine".