144152534 has 4 divisors (see below), whose sum is σ = 216228804. Its totient is φ = 72076266.

The previous prime is 144152521. The next prime is 144152549. The reversal of 144152534 is 435251441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435251441 = 6101 ⋅71341.

It is a junction number, because it is equal to n+sod(n) for n = 144152497 and 144152506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36038132 + ... + 36038135.

It is an arithmetic number, because the mean of its divisors is an integer number (54057201).

Almost surely, 2^144152534 is an apocalyptic number.

144152534 is a deficient number, since it is larger than the sum of its proper divisors (72076270).

144152534 is an equidigital number, since it uses as much as digits as its factorization.

144152534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72076269.

The product of its digits is 9600, while the sum is 29.

The square root of 144152534 is about 12006.3539011642. The cubic root of 144152534 is about 524.3332839821. Note that the first 3 decimals are identical.

The spelling of 144152534 in words is "one hundred forty-four million, one hundred fifty-two thousand, five hundred thirty-four".