145699730147 has 4 divisors (see below), whose sum is σ = 147061409976. Its totient is φ = 144338050320.

The previous prime is 145699730129. The next prime is 145699730153. The reversal of 145699730147 is 741037996541.

145699730147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741037996541 = 541 ⋅1369756001.

It is a cyclic number.

It is not a de Polignac number, because 145699730147 - 2²⁸ = 145431294691 is a prime.

It is a super-2 number, since 2×145699730147² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145699730092 and 145699730101.

It is not an unprimeable number, because it can be changed into a prime (145699730117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680839754 + ... + 680839967.

It is an arithmetic number, because the mean of its divisors is an integer number (36765352494).

Almost surely, 2^145699730147 is an apocalyptic number.

145699730147 is a deficient number, since it is larger than the sum of its proper divisors (1361679829).

145699730147 is a wasteful number, since it uses less digits than its factorization.

145699730147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361679828.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 145699730147 in words is "one hundred forty-five billion, six hundred ninety-nine million, seven hundred thirty thousand, one hundred forty-seven".