145547429 has 8 divisors (see below), whose sum is σ = 153632640. Its totient is φ = 137504736.

The previous prime is 145547393. The next prime is 145547431. The reversal of 145547429 is 924745541.

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

It is a cyclic number.

It is not a de Polignac number, because 145547429 - 2⁸ = 145547173 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 (145547029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3464 + ... + 17409.

It is an arithmetic number, because the mean of its divisors is an integer number (19204080).

Almost surely, 2^145547429 is an apocalyptic number.

145547429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

145547429 is a deficient number, since it is larger than the sum of its proper divisors (8085211).

145547429 is a wasteful number, since it uses less digits than its factorization.

145547429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21259.

The product of its digits is 201600, while the sum is 41.

The square root of 145547429 is about 12064.3039169278. The cubic root of 145547429 is about 526.0190986622.

It can be divided in two parts, 1455 and 47429, that added together give a palindrome (48884).

The spelling of 145547429 in words is "one hundred forty-five million, five hundred forty-seven thousand, four hundred twenty-nine".