153540047 has 4 divisors (see below), whose sum is σ = 157689816. Its totient is φ = 149390280.

The previous prime is 153540031. The next prime is 153540061. The reversal of 153540047 is 740045351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153540047 - 2⁴ = 153540031 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 (153540017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074829 + ... + 2074902.

It is an arithmetic number, because the mean of its divisors is an integer number (39422454).

Almost surely, 2^153540047 is an apocalyptic number.

153540047 is a deficient number, since it is larger than the sum of its proper divisors (4149769).

153540047 is an equidigital number, since it uses as much as digits as its factorization.

153540047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149768.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 153540047 is about 12391.1277533564. The cubic root of 153540047 is about 535.4766730231.

Adding to 153540047 its reverse (740045351), we get a palindrome (893585398).

The spelling of 153540047 in words is "one hundred fifty-three million, five hundred forty thousand, forty-seven".