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145656362 = 272828181
BaseRepresentation
bin10001010111010…
…00101000101010
3101011002002222002
420223220220222
5244242000422
622241531002
73416026055
oct1053505052
9334062862
10145656362
1175245865
1240943a62
132423aac7
14154b7a9c
15cbc2692
hex8ae8a2a

145656362 has 4 divisors (see below), whose sum is σ = 218484546. Its totient is φ = 72828180.

The previous prime is 145656359. The next prime is 145656367. The reversal of 145656362 is 263656541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 263656541 = 991266051.

It can be written as a sum of positive squares in only one way, i.e., 143256961 + 2399401 = 11969^2 + 1549^2 .

It is not an unprimeable number, because it can be changed into a prime (145656367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36414089 + ... + 36414092.

Almost surely, 2145656362 is an apocalyptic number.

145656362 is a deficient number, since it is larger than the sum of its proper divisors (72828184).

145656362 is an equidigital number, since it uses as much as digits as its factorization.

145656362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72828183.

The product of its digits is 129600, while the sum is 38.

The square root of 145656362 is about 12068.8177548590. The cubic root of 145656362 is about 526.1502965576.

The spelling of 145656362 in words is "one hundred forty-five million, six hundred fifty-six thousand, three hundred sixty-two".

Divisors: 1 2 72828181 145656362