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145847542 = 2619117809
BaseRepresentation
bin10001011000101…
…11010011110110
3101011102211012211
420230113103312
5244314110132
622250004034
73420453331
oct1054272366
9334384184
10145847542
1175366465
1240a1661a
13242a6b29
1415527618
15cc0e147
hex8b174f6

145847542 has 8 divisors (see below), whose sum is σ = 219126600. Its totient is φ = 72805344.

The previous prime is 145847521. The next prime is 145847563. The reversal of 145847542 is 245748541.

It is an interprime number because it is at equal distance from previous prime (145847521) and next prime (145847563).

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

It is a junction number, because it is equal to n+sod(n) for n = 145847495 and 145847504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57667 + ... + 60142.

It is an arithmetic number, because the mean of its divisors is an integer number (27390825).

Almost surely, 2145847542 is an apocalyptic number.

145847542 is a deficient number, since it is larger than the sum of its proper divisors (73279058).

145847542 is a wasteful number, since it uses less digits than its factorization.

145847542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118430.

The product of its digits is 179200, while the sum is 40.

The square root of 145847542 is about 12076.7355688530. The cubic root of 145847542 is about 526.3803939254.

Subtracting 145847542 from its reverse (245748541), we obtain a palindrome (99900999).

The spelling of 145847542 in words is "one hundred forty-five million, eight hundred forty-seven thousand, five hundred forty-two".

Divisors: 1 2 619 1238 117809 235618 72923771 145847542