153018434 has 8 divisors (see below), whose sum is σ = 231800508. Its totient is φ = 75751600.

The previous prime is 153018431. The next prime is 153018443. The reversal of 153018434 is 434810351.

It can be written as a sum of positive squares in 2 ways, for example, as 152448409 + 570025 = 12347^2 + 755^2 .

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

It is a super-2 number, since 2×153018434² = 46829282287624712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153018397 and 153018406.

It is not an unprimeable number, because it can be changed into a prime (153018431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378557 + ... + 378960.

Almost surely, 2^153018434 is an apocalyptic number.

153018434 is a deficient number, since it is larger than the sum of its proper divisors (78782074).

153018434 is a wasteful number, since it uses less digits than its factorization.

153018434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757620.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 153018434 is about 12370.0620046950. The cubic root of 153018434 is about 534.8696034145.

Adding to 153018434 its reverse (434810351), we get a palindrome (587828785).

The spelling of 153018434 in words is "one hundred fifty-three million, eighteen thousand, four hundred thirty-four".