145512741 has 16 divisors (see below), whose sum is σ = 224106048. Its totient is φ = 83001600.

The previous prime is 145512739. The next prime is 145512751. The reversal of 145512741 is 147215541.

It is not a de Polignac number, because 145512741 - 2¹ = 145512739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145512699 and 145512708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145512701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129130 + ... + 130251.

It is an arithmetic number, because the mean of its divisors is an integer number (14006628).

Almost surely, 2^145512741 is an apocalyptic number.

145512741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145512741 is a deficient number, since it is larger than the sum of its proper divisors (78593307).

145512741 is a wasteful number, since it uses less digits than its factorization.

145512741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259412.

The product of its digits is 5600, while the sum is 30.

The square root of 145512741 is about 12062.8662016952. The cubic root of 145512741 is about 525.9773070154.

It can be divided in two parts, 1455 and 12741, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 145512741 in words is "one hundred forty-five million, five hundred twelve thousand, seven hundred forty-one".