145942429385 has 8 divisors (see below), whose sum is σ = 181169912520. Its totient is φ = 112727945344.

The previous prime is 145942429363. The next prime is 145942429397. The reversal of 145942429385 is 583924249541.

It can be written as a sum of positive squares in 4 ways, for example, as 42906565321 + 103035864064 = 207139^2 + 320992^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145942429385 is a prime.

It is a super-2 number, since 2×145942429385² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145942429385.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503249612 + ... + 503249901.

It is an arithmetic number, because the mean of its divisors is an integer number (22646239065).

Almost surely, 2^145942429385 is an apocalyptic number.

It is an amenable number.

145942429385 is a deficient number, since it is larger than the sum of its proper divisors (35227483135).

145942429385 is a wasteful number, since it uses less digits than its factorization.

145942429385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006499547.

The product of its digits is 12441600, while the sum is 56.

The spelling of 145942429385 in words is "one hundred forty-five billion, nine hundred forty-two million, four hundred twenty-nine thousand, three hundred eighty-five".